Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2019	Mar. 31, 2019
Current assets:
Cash and cash equivalents	$ 981,806	$ 585,856
Accounts receivable, net	1,575,972	2,196,099
Inventories, net	3,097,974	2,932,632
Restricted cash to support appeal bond	2,005,523	2,004,871
Prepaid expenses and other current assets	273,944	275,230
Total current assets	7,935,219	7,994,688
Equipment and leasehold improvements, net	240,802	236,370
Operating lease right-of-use assets	459,272	0
Deferred tax asset, net	63,500	63,500
Other long-term assets	35,109	35,109
Total assets	8,733,902	8,329,667
Current liabilities:
Line of credit	750,000	800,000
Capital lease obligations – current portion	6,283	6,885
Operating lease liabilities – current portion	204,982	0
Accounts payable and accrued liabilities	921,345	1,493,793
Deferred revenues – current portion	235,201	97,122
Accrued legal damages	5,395,535	5,312,085
Warrant liability	122,000	43,500
Accrued payroll, vacation pay and payroll taxes	421,253	394,296
Total current liabilities	8,056,599	8,147,681
Operating lease liabilities – long-term	254,290	0
Deferred revenues – long-term	242,079	264,669
Total liabilities	8,552,968	8,412,350
Commitments and contingencies
Stockholders’ equity (deficit):
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
Paid-in capital in excess of par value, common stock	7,840,796	7,914,955
Accumulated deficit	(12,348,813)	(12,606,589)
Total stockholders’ equity (deficit)	180,934	(82,683)
Total liabilities and stockholders’ deficit	8,733,902	8,329,667
Series A Preferred Stock [Member]
Stockholders’ equity (deficit):
Preferred stock	3,335,998	3,275,998
Series B Preferred Stock [Member]
Stockholders’ equity (deficit):
Preferred stock	$ 1,027,367	$ 1,007,367