Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income (loss)	$ 1,004,153	$ (280,440)
Adjustments to reconcile net (loss) income to net cash (Used in) provided by operating activities:
Deferred income taxes	798,345	(79,372)
Allowance for doubtful accounts	(17,295)	(2,487)
Depreciation and amortization	164,774	177,291
Amortization of debt discount	0	75,308
Amortization of deferred financing costs	5,429	69,165
Change in fair value of common stock warrant	617,241	164,653
Provision for inventory obsolescence	60,713	24,287
Loss on extinguishment of debt	0	188,102
Non-cash stock-based compensation	32,277	33,008
Changes in assets and liabilities:
Decrease in accounts receivable	188,105	472,956
Increase in inventories	(707,671)	(16,959)
Decrease (increase) in prepaid expenses and other assets	153,279	(2,057)
(Decrease) increase in accounts payable	(1,125,312)	521,923
Increase (decrease) in deferred revenues	69,210	(18,843)
Increase in federal and state taxes payable	53,623	0
Increase in accrued payroll, vacation pay & withholdings	242,475	149,876
Decrease in accrued expenses – related party and other	(50,754)	(276,538)
Decrease in progress billings	0	(775,475)
Decrease in other long-term liabilities	(25,200)	(23,100)
Net cash provided by operating activities	1,463,392	401,298
Cash flows from investing activities:
Acquisition of equipment	(61,306)	(11,221)
Net cash used in investing activities	(61,306)	(11,221)
Cash flows from financing activities:
Proceeds from exercise of stock options	0	26,610
Repayment of subordinated notes - related parties	(225,000)	0
Proceeds from issuance of debt	18,000	1,200,000
Expenses associated with long-term debt	0	(16,287)
Repayment of long-term debt	(391,628)	(1,592,977)
Repayment of capitalized lease obligations	(16,757)	(53,609)
Net cash used in financing activities	(615,385)	(436,263)
Net increase (decrease) in cash	786,701	(46,186)
Cash, beginning of year	185,932	232,118
Cash, end of year	972,633	185,932
Supplemental cash flow information:
Taxes paid	0	20,500
Interest paid	59,100	166,040
Supplemental non-cash information:
Capital lease obligations	$ 26,194	$ 0