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| Date | 1/31/2024 | 1/31/2023 | 4/30/2022 | 1/31/2022 | 7/31/2021 | 4/30/2021 | 1/31/2021 | 10/31/2020 | 7/31/2020 | 4/30/2020 | 1/31/2020 | 10/31/2019 | 7/31/2019 | 4/30/2019 | 1/31/2019 | 10/31/2018 | 7/31/2018 | 4/30/2018 | 1/31/2018 | 10/31/2017 | 7/31/2017 | 4/30/2017 | 1/31/2017 | 10/31/2016 | 7/31/2016 | 4/30/2016 | 1/31/2016 | 10/31/2015 | 7/31/2015 | 4/30/2015 | 7/31/2014 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash and Cash Equivalents | $18,064,000.00 | -- | -- | -- | $24,908,000.00 | $24,915,000.00 | $13,608,000.00 | $6,252,000.00 | $5,111,000.00 | $4,630,000.00 | $2,252,000.00 | $1,659,000.00 | $1,609,000.00 | $2,248,000.00 | $2,704,000.00 | $3,561,000.00 | $3,408,000.00 | $4,272,000.00 | $4,160,000.00 | $4,163,000.00 | $4,580,000.00 | $5,082,000.00 | $5,604,000.00 | $5,983,000.00 | $5,978,000.00 | $3,976,000.00 | $3,193,000.00 | $2,433,000.00 | $2,170,000.00 | $1,875,000.00 | $765,000.00 |
| Accounts Receivable Net Current | $3,363,000.00 | $2,788,000.00 | $2,718,000.00 | $3,241,000.00 | $2,545,000.00 | $2,743,000.00 | $2,908,000.00 | $1,961,000.00 | $1,407,000.00 | -- | -- | -- | $1,133,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Inventory | -- | -- | $21,602,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Prepaid Expenses and Other Current Assets | -- | -- | -- | -- | -- | -- | $66,000.00 | $76,000.00 | $113,000.00 | -- | -- | -- | $103,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Current Assets | $22,102,000.00 | $21,581,000.00 | $20,322,000.00 | $33,650,000.00 | $27,613,000.00 | $27,905,000.00 | $16,777,000.00 | $8,550,000.00 | $6,754,000.00 | $5,790,000.00 | $3,525,000.00 | $3,001,000.00 | $3,225,000.00 | $3,892,000.00 | $4,473,000.00 | $5,178,000.00 | $5,803,000.00 | $6,502,000.00 | $6,583,000.00 | $6,633,000.00 | $7,034,000.00 | $7,316,000.00 | $7,739,000.00 | $8,186,000.00 | $7,963,000.00 | $6,033,000.00 | -- | -- | $3,958,000.00 | -- | -- |
| Property Plant and Equipement | $2,608,000.00 | $1,933,000.00 | $1,716,000.00 | $1,770,000.00 | $1,980,000.00 | $2,166,000.00 | $2,308,000.00 | $2,436,000.00 | $2,584,000.00 | $2,781,000.00 | $2,941,000.00 | $3,099,000.00 | $3,396,000.00 | $3,590,000.00 | $3,626,000.00 | $3,483,000.00 | $3,344,000.00 | $3,272,000.00 | $3,098,000.00 | $3,005,000.00 | $2,678,000.00 | $2,586,000.00 | $2,271,000.00 | $2,058,000.00 | $1,843,000.00 | $1,931,000.00 | -- | -- | $1,724,000.00 | -- | -- |
| Intangible Assets Net | $5,593,000.00 | $19,866,000.00 | $21,602,000.00 | $6,488,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill | $1,902,000.00 | $10,716,000.00 | $11,031,000.00 | $2,228,000.00 | $2,262,000.00 | $2,412,000.00 | $2,329,000.00 | $2,091,000.00 | $2,196,000.00 | $1,937,000.00 | $2,164,000.00 | $2,168,000.00 | $2,266,000.00 | $2,306,000.00 | $2,365,000.00 | $2,363,000.00 | $2,447,000.00 | $2,491,000.00 | $2,586,000.00 | $2,437,000.00 | $2,518,000.00 | $2,325,000.00 | $2,403,000.00 | $2,411,000.00 | $2,361,000.00 | $2,478,000.00 | -- | -- | $2,438,000.00 | -- | $3,182,000.00 |
| Other Assets | $431,000.00 | $326,000.00 | $436,000.00 | $318,000.00 | $5,145,000.00 | $561,000.00 | $371,000.00 | $390,000.00 | $471,000.00 | $455,000.00 | $530,000.00 | $583,000.00 | $120,000.00 | $370,000.00 | $375,000.00 | $122,000.00 | $125,000.00 | $293,000.00 | $299,000.00 | $296,000.00 | $301,000.00 | $260,000.00 | $262,000.00 | $262,000.00 | $266,000.00 | $128,000.00 | -- | -- | $232,000.00 | -- | -- |
| Total Assets | $37,097,000.00 | $55,250,000.00 | $55,667,000.00 | $44,981,000.00 | $37,477,000.00 | $33,044,000.00 | $21,785,000.00 | $13,467,000.00 | $12,005,000.00 | $10,963,000.00 | $9,160,000.00 | $8,851,000.00 | $9,007,000.00 | $10,158,000.00 | $10,839,000.00 | $11,396,000.00 | $11,719,000.00 | $12,558,000.00 | $12,566,000.00 | $12,371,000.00 | $12,531,000.00 | $12,487,000.00 | $12,675,000.00 | $12,917,000.00 | $12,433,000.00 | $10,570,000.00 | -- | -- | $8,352,000.00 | -- | -- |
| Accounts Payable | $933,000.00 | $1,381,000.00 | $1,425,000.00 | $417,000.00 | $585,000.00 | $337,000.00 | $275,000.00 | $365,000.00 | $290,000.00 | $340,000.00 | $310,000.00 | $328,000.00 | $217,000.00 | $156,000.00 | $297,000.00 | $350,000.00 | $280,000.00 | $285,000.00 | $277,000.00 | $155,000.00 | $33,000.00 | $45,000.00 | $30,000.00 | $74,000.00 | $36,000.00 | $59,000.00 | -- | -- | $116,000.00 | -- | -- |
| Accrued Liabilities | $2,852,000.00 | $3,174,000.00 | $4,422,000.00 | $2,769,000.00 | $1,771,000.00 | $2,824,000.00 | $1,541,000.00 | $1,198,000.00 | $1,210,000.00 | $1,243,000.00 | $1,094,000.00 | $1,466,000.00 | $1,172,000.00 | $1,654,000.00 | $1,309,000.00 | $1,770,000.00 | $1,428,000.00 | $2,113,000.00 | $1,944,000.00 | $2,173,000.00 | $1,840,000.00 | $1,916,000.00 | $1,824,000.00 | $1,835,000.00 | $1,487,000.00 | $1,618,000.00 | -- | -- | $1,319,000.00 | -- | -- |
| Total Current Liabilities | $6,415,000.00 | $9,343,000.00 | $16,538,000.00 | $6,943,000.00 | $4,322,000.00 | $5,402,000.00 | $3,827,000.00 | $3,485,000.00 | $3,120,000.00 | $3,031,000.00 | $2,506,000.00 | $2,759,000.00 | $2,047,000.00 | $2,094,000.00 | $1,606,000.00 | $2,133,000.00 | $1,709,000.00 | $2,401,000.00 | $2,230,000.00 | $2,391,000.00 | $1,909,000.00 | -- | -- | -- | $1,837,000.00 | -- | -- | -- | $1,808,000.00 | -- | -- |
| Long Term Debt | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Additional Paid-in Capital | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Accumulated Other Comprehensive Loss | $-1,654,000.00 | $-1,498,000.00 | $-1,272,000.00 | $-1,077,000.00 | $-997,000.00 | $-750,000.00 | $-879,000.00 | $-1,244,000.00 | $-1,085,000.00 | $-1,469,000.00 | $-1,136,000.00 | $-1,128,000.00 | $-985,000.00 | $-926,000.00 | $-833,000.00 | $-833,000.00 | $-702,000.00 | $-634,000.00 | $-482,000.00 | $-721,000.00 | $-584,000.00 | $-879,000.00 | $-758,000.00 | $-744,000.00 | $-817,000.00 | $-548,000.00 | -- | -- | $-655,000.00 | -- | -- |
| Accumulated Deficit | $-13,187,000.00 | $3,597,000.00 | $-2,371,000.00 | $-3,174,000.00 | $-7,554,000.00 | $-10,547,000.00 | $-12,479,000.00 | $-14,757,000.00 | $-15,802,000.00 | $-16,269,000.00 | $-15,944,000.00 | $-16,044,000.00 | $-15,243,000.00 | $-14,041,000.00 | $-12,846,000.00 | $-12,605,000.00 | $-11,899,000.00 | $-11,638,000.00 | $-11,330,000.00 | $-11,156,000.00 | $-10,336,000.00 | $-10,128,000.00 | $-9,889,000.00 | $-9,562,000.00 | $-9,725,000.00 | $-8,946,000.00 | -- | -- | $-10,708,000.00 | -- | -- |
| Total Stockholders' Equity | $30,682,000.00 | $45,907,000.00 | $39,129,000.00 | $38,038,000.00 | $33,155,000.00 | $27,642,000.00 | $17,958,000.00 | $9,982,000.00 | $8,885,000.00 | $7,932,000.00 | $6,654,000.00 | $6,092,000.00 | $6,960,000.00 | $8,064,000.00 | $9,233,000.00 | $9,263,000.00 | $10,010,000.00 | $10,157,000.00 | $10,336,000.00 | $9,980,000.00 | $10,622,000.00 | $10,469,000.00 | $10,743,000.00 | $10,927,000.00 | $10,596,000.00 | $8,432,000.00 | -- | -- | $6,444,000.00 | -- | $5,502,000.00 |
| Controlling Interest in Subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Liabilities and Equity | $37,097,000.00 | $55,250,000.00 | $55,667,000.00 | $44,981,000.00 | $37,477,000.00 | $33,044,000.00 | $21,785,000.00 | $13,467,000.00 | $12,005,000.00 | $10,963,000.00 | $9,160,000.00 | $8,851,000.00 | $9,007,000.00 | $10,158,000.00 | $10,839,000.00 | $11,396,000.00 | $11,719,000.00 | $12,558,000.00 | $12,566,000.00 | $12,371,000.00 | $12,531,000.00 | $12,487,000.00 | $12,675,000.00 | $12,917,000.00 | $12,433,000.00 | $10,570,000.00 | -- | -- | $8,352,000.00 | -- | -- |
| Date | 1/31/2024 | 1/31/2023 | 4/30/2022 | 1/31/2022 | 7/31/2021 | 4/30/2021 | 1/31/2021 | 10/31/2020 | 7/31/2020 | 4/30/2020 | 1/31/2020 | 10/31/2019 | 7/31/2019 | 4/30/2019 | 1/31/2019 | 10/31/2018 | 7/31/2018 | 4/30/2018 | 1/31/2018 | 10/31/2017 | 7/31/2017 | 4/30/2017 | 1/31/2017 | 10/31/2016 | 7/31/2016 | 4/30/2016 | 1/31/2016 | 10/31/2015 | 7/31/2015 | 4/30/2015 | 7/31/2014 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Revenues | $7,771,000.00 | $13,883,000.00 | $19,173,000.00 | $12,943,000.00 | $19,569,000.00 | $14,328,000.00 | $9,076,000.00 | $3,762,000.00 | $9,470,000.00 | $2,079,000.00 | $2,644,000.00 | $2,033,000.00 | $8,816,000.00 | $1,912,000.00 | $4,954,000.00 | $2,381,000.00 | $10,833,000.00 | $2,551,000.00 | $5,704,000.00 | $2,659,000.00 | $10,031,000.00 | $7,485,000.00 | $4,955,000.00 | $2,383,000.00 | $11,113,000.00 | $8,661,000.00 | $3,530,000.00 | $2,559,000.00 | $9,052,000.00 | $6,624,000.00 | -- |
| Cost of Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | $289,000.00 | $308,000.00 | $328,000.00 | $1,379,000.00 | $353,000.00 | $678,000.00 | $350,000.00 | $1,518,000.00 | $378,000.00 | $356,000.00 | $372,000.00 | $1,567,000.00 | $406,000.00 | $780,000.00 | $367,000.00 | $1,299,000.00 | $327,000.00 | $605,000.00 | $295,000.00 | $1,082,000.00 | $823,000.00 | -- |
| Gross Profit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Research and Development | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Selling, General, and Administrative | $12,022,000.00 | $11,697,000.00 | $9,902,000.00 | $5,838,000.00 | $9,311,000.00 | $6,859,000.00 | $4,165,000.00 | $2,006,000.00 | $7,110,000.00 | $1,569,000.00 | $1,894,000.00 | $1,945,000.00 | $8,897,000.00 | $2,289,000.00 | $4,471,000.00 | $2,309,000.00 | $9,581,000.00 | $2,195,000.00 | $5,558,000.00 | $2,972,000.00 | $8,468,000.00 | $2,151,000.00 | $4,070,000.00 | $1,756,000.00 | $7,755,000.00 | $1,850,000.00 | $3,466,000.00 | $1,685,000.00 | $5,723,000.00 | $4,298,000.00 | -- |
| Total Operating Expenses | -- | -- | -- | -- | -- | -- | -- | -- | $538,000.00 | -- | -- | -- | $512,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss from Operations | $-11,609,000.00 | $1,257,000.00 | $7,037,000.00 | $5,695,000.00 | $7,803,000.00 | $5,590,000.00 | $3,611,000.00 | $1,093,000.00 | $-403,000.00 | $-127,000.00 | $79,000.00 | $-745,000.00 | $-2,887,000.00 | $-1,121,000.00 | $-826,000.00 | $-581,000.00 | $-1,299,000.00 | $-339,000.00 | $-964,000.00 | $-842,000.00 | $-683,000.00 | $-419,000.00 | $-338,000.00 | $113,000.00 | $1,173,000.00 | $1,943,000.00 | $1,701,000.00 | $419,000.00 | $1,623,000.00 | $1,002,000.00 | -- |
| Loss Before Income Taxes | $-11,689,000.00 | $1,453,000.00 | $6,859,000.00 | $5,627,000.00 | $8,046,000.00 | -- | -- | -- | -- | $-325,000.00 | $101,000.00 | $-801,000.00 | $-3,328,000.00 | $-1,190,000.00 | $-945,000.00 | $-703,000.00 | $-1,333,000.00 | $-1,301,000.00 | $-995,000.00 | $-834,000.00 | -- | $-424,000.00 | $-185,000.00 | $164,000.00 | $1,126,000.00 | $1,914,000.00 | $1,542,000.00 | $365,000.00 | $1,799,000.00 | $1,090,000.00 | -- |
| Earnings Per Share Basic | $-0.66 | $0.10 | $0.36 | $0.16 | $0.63 | $0.42 | $0.27 | $0.09 | -- | -- | $0.01 | $-0.08 | -- | -- | $-0.02 | -- | -- | -- | -- | $-0.08 | $-0.06 | $-0.04 | $-0.03 | $0.02 | $0.12 | $0.04 | $0.14 | $0.04 | $0.19 | $0.11 | -- |
| Weighted Average Shares Basic | 14,068,000 | 14,208,000 | 14,295,000 | 14,289,000 | 13,156,000 | 12,531,000 | 12,412,000 | 12,191,000 | 11,126,000 | 11,979,000 | 10,229,000 | 10,196,000 | 10,083,000 | 10,116,000 | 10,038,000 | 10,015,000 | 9,803,000 | 9,867,000 | 9,703,000 | 9,658,000 | 9,467,000 | 9,423,000 | 9,413,000 | 9,261,000 | 8,346,000 | 8,174,000 | 8,161,000 | 8,161,000 | 8,150,000 | 8,161,000 | -- |
| Earnings Per Share Diluted | $-0.66 | $0.10 | $0.35 | $0.29 | $0.59 | $0.39 | $0.26 | $0.08 | -- | -- | $0.01 | $-0.08 | -- | -- | $-0.02 | -- | -- | -- | -- | $-0.08 | $-0.06 | $-0.02 | $-0.03 | $0.02 | $0.11 | $0.20 | $0.16 | $0.04 | $0.18 | $0.10 | -- |
| Weighted Average Shares Diluted | 14,022,000 | 14,440,000 | 14,974,000 | 14,971,000 | 14,038,000 | 13,323,000 | 12,949,000 | 12,496,000 | 11,126,000 | 11,979,000 | 10,615,000 | 10,196,000 | 10,083,000 | 10,116,000 | 10,038,000 | 10,015,000 | 9,803,000 | 9,867,000 | 9,703,000 | 9,658,000 | 9,467,000 | 9,423,000 | 9,413,000 | 10,458,000 | 9,279,000 | 9,186,000 | 8,962,000 | 8,934,000 | 8,923,000 | 8,919,000 | -- |
| Common Stock Shares Authorized | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Value | -- | $5,000.00 | $5,000.00 | $5,000.00 | $5,000.00 | $5,000.00 | $5,000.00 | $5,000.00 | $5,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Par Or Stated Value Per Share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Payments Of Dividends Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Authorized | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | 2,400,000 | -- | -- | 2,400,000 | -- | -- |
| Preferred Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Par Or Stated Value Per Share | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | -- | -- | $0.01 | -- | -- |
| Share Price | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |