Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 333,728	$ 794,010
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Deferred income taxes	121,095	0
Depreciation and amortization	60,776	41,125
Amortization of right of use assets	105,723	99,663
Provision for inventory obsolescence	20,000	27,000
Change in fair value of common stock warrant	0	73,000
Non-cash stock-based compensation	10,552	11,117
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	(540,762)	894,205
Decrease (increase) in inventories	23,782	(168,116)
Increase in prepaid expenses & other assets	(22,046)	(20,587)
Decrease in accounts payable and other accrued liabilities	(457,492)	(401,565)
(Decrease) increase in accrued payroll, vacation pay and payroll taxes	(29,009)	71,921
(Decrease) increase in deferred revenues	(22,726)	306,405
Decrease in operating lease liabilities	(105,723)	(99,663)
Increase in accrued legal damages	127,634	171,106
Net cash (used in) provided by operating activities	(374,468)	1,799,621
Cash flows from investing activities:
Purchases of equipment	(19,247)	(63,536)
Net cash used in investing activities	(19,247)	(63,536)
Cash flows from financing activities:
Proceeds from SBA PPP Loan	722,577	0
Repayment of line of credit	0	(70,000)
Repayment of finance lease obligations	(49)	(3,683)
Net cash provided by (used in) financing activities	722,528	(73,683)
Net increase in cash and restricted cash	328,813	1,662,402
	5,134,739	2,590,727
Supplemental cash flow information:
Taxes paid	0	0
Interest paid	9,025	28,165
	5,463,552	4,253,129
Beginning of period
Cash	3,126,195	585,856
Restricted cash	2,008,544	2,004,871
End of period
Cash	3,453,098	2,246,595
Restricted cash	$ 2,010,454	$ 2,006,534