Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2020	Mar. 31, 2020
Current assets:
Cash	$ 3,453,098	$ 3,126,195
Accounts receivable, net	1,952,406	1,411,644
Inventories, net	3,048,897	3,092,679
Restricted cash to support appeal bond	2,010,454	2,008,544
Prepaid expenses and other current assets	404,474	382,428
Total current assets	10,869,329	10,021,490
Equipment and leasehold improvements, net	222,221	263,750
Operating lease right-of-use assets	201,017	306,740
Deferred tax asset, net	2,591,685	2,712,780
Other long-term assets	35,109	35,109
Total assets	13,919,361	13,339,869
Current liabilities:
Line of credit	680,000	680,000
SBA PPP loan – current portion	416,940	0
Operating lease liabilities – current portion	201,017	214,793
Accounts payable and accrued liabilities	577,531	1,035,023
Deferred revenues – current portion	134,593	145,168
Accrued legal damages	5,785,183	5,657,549
Finance lease obligations – current portion	0	49
Accrued payroll, vacation pay and payroll taxes	483,723	512,732
Total current liabilities	8,278,987	8,245,314
Operating lease liabilities – long-term	0	91,947
Deferred revenues – long-term	314,981	327,132
SBA PPP loan – long term	305,637	0
Total liabilities	8,899,605	8,664,393
Commitments and contingencies
Stockholders’ equity:
Preferred stock
Common stock, 7,000,000 shares authorized, par value $0.10 per share, 3,255,887 shares issued and outstanding, respectively	325,586	325,586
Additional paid-in capital	7,467,176	7,616,624
Accumulated deficit	(7,536,371)	(7,870,099)
Total stockholders’ equity	5,019,756	4,675,476
Total liabilities and stockholders’ equity	13,919,361	13,339,869
Series A Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	3,635,998	3,515,998
Series B Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	$ 1,127,367	$ 1,087,367