Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income (loss)	$ 261,528	$ (2,772,571)
Adjustments to reconcile net (loss) income to net cash (Used in) provided by operating activities:
Deferred income taxes	423,345	(1,547,491)
Allowance for doubtful accounts	10,000	(16,530)
Depreciation and amortization	202,936	228,069
Amortization of debt discount	104,644	129,763
Amortization of deferred financing costs	108,321	219,662
Change in fair value of common stock warrant	114,869	(294,785)
Provision for inventory obsolescence	5,000	0
Loss on extinguishment of debt	26,600	0
Non-cash interest expense associated with conversion of note payable	21,003	0
Non-cash stock-based compensation	84,742	81,517
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	(1,547,761)	1,153,287
Decrease in unbilled government receivables	0	1,780,381
Decrease (increase) in inventories	2,210,790	(1,217,206)
(Increase) decrease in prepaid expenses and other assets	(138,538)	104,403
(Decrease) increase in accounts payable	(1,982,573)	1,421,999
Increase (decrease) in deferred revenues	151,597	(19,899)
Increase in accrued payroll, vacation pay & withholdings	1,716	2,406
Decrease in accrued expenses – related party and other	(457,155)	(549,373)
Increase in progress billings	775,475	0
Increase in other long-term liabilties	56,100	0
Net cash provided by (used in) operating activities	432,639	(1,296,368)
Cash flows from investing activities:
Acquisition of equipment	(65,851)	(109,157)
Net cash used in investing activities	(65,851)	(109,157)
Cash flows from financing activities:
Proceeds from exercise of stock options	33,020	138,090
Proceeds from note payable – related party	100,000	1,000,002
Proceeds from issuance of debt	23,712	600,000
Expenses associated with long-term debt	0	(111,341)
Repayment of long-term debt	(526,064)	(260,430)
Repayment of capitalized lease obligations	(75,635)	(63,694)
Net cash provided by (used in) financing activities	(444,967)	1,302,627
Net decrease in cash	(78,179)	(102,898)
Cash, beginning of year	310,297	413,195
Cash, end of year	232,118	310,297
Supplemental cash flow information:
Taxes paid	1,340	0
Interest paid	310,489	368,188
Supplemental non-cash information:
Warrants issued in conjunction with long-term debt	0	66,193
Warrants issued to lender for waiver of debt covenants	41,110	71,632
Conversion of Debt [Member]
Supplemental non-cash information:
Conversion of debt and accrued interest to equity	700,000	0
Conversion of Accrued Interest [Member]
Supplemental non-cash information:
Conversion of debt and accrued interest to equity	$ 37,400	$ 0