CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income (loss)	$ 478,532	$ (632,200)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Deferred income taxes	385,865	(240,130)
Depreciation and amortization	82,372	89,790
Provision for inventory obsolescence	30,713	5,000
Amortization of debt discount	0	60,935
Amortization of deferred financing costs	2,715	54,160
Change in fair value of common stock warrant	450,828	106,080
Non-cash stock-based compensation	15,043	20,904
Changes in assets and liabilities:
Decrease in accounts receivable	764,315	1,553,016
Increase in inventories	(684,702)	(509,865)
Increase in prepaid expenses & other assets	(96,758)	(286,338)
(Decrease) increase in accounts payable and other accrued expenses	(555,336)	297,393
Increase in accrued payroll, vacation pay & withholdings	95,790	47,715
Decrease in deferred revenues	(4,708)	(1,411)
Decrease in progress billings	0	(183,319)
Decrease in other long-term liabilities	(12,600)	(4,200)
Net cash provided by operating activities	952,069	377,530
Cash flows from investing activities:
Purchases of equipment	(35,772)	(6,511)
Net cash used in investing activities	(35,772)	(6,511)
Cash flows from financing activities:
Proceeds from bank loan	18,000	0
Repayment of notes to related parties	(125,000)	0
Repayment of long-term debt	(191,748)	(319,189)
Repayment of capitalized lease obligations	(8,088)	(40,802)
Net cash used in financing activities	(306,836)	(359,991)
Net decrease in cash and cash equivalents	609,461	11,028
Cash and cash equivalents at beginning of period	185,932	232,118
Cash and cash equivalents at end of period	795,393	243,146
Supplemental cash flow information:
Taxes paid	0	20,500
Interest paid	32,834	114,589
Supplemental non-cash information:
Converted accounts payable to equity	$ 0	$ 11,900