Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (384,005)	$ (85,772)
Adjustments to reconcile net loss to net cash used in operating activities:
Deferred income taxes	(113,182)	(17,869)
Depreciation and amortization	45,062	53,351
Provision for inventory obsolescence	5,000	0
Amortization of debt discount	30,874	22,987
Amortization of deferred financing costs	27,080	27,080
Loss on extinguishment of debt	0	26,600
Change in fair value of common stock warrant	133,881	(24,572)
Non-cash stock-based compensation	12,063	16,358
Changes in assets and liabilities:
Decrease (increase) in accounts receivable	1,250,928	(412,173)
(Increase) decrease in inventories, net	(534,136)	763,938
(Increase) decrease in prepaid expenses & other	(316,628)	28,810
Decrease in accounts payable and other accrued liabilities	(2,593)	(1,301,001)
Increase (decrease) in accrued payroll, vacation pay & withholdings	28,936	(10,618)
Decrease in deferred revenues	(33,226)	(7,339)
Increase in progress billings	0	858,050
Decrease in other long-term liabilities	(2,100)	0
Net cash provided by (used in) operating activities	147,954	(62,170)
Cash flows from investing activities:
Purchases of equipment	(1,145)	0
Net cash used in investing activities	(1,145)	0
Cash flows from financing activities:
Proceeds from note payable – related party	0	100,000
Repayment of long-term debt	(156,069)	(136,540)
Repayment of capitalized lease obligations	(20,400)	(17,637)
Net cash used in financing activities	(176,469)	(54,177)
Net decrease in cash and cash equivalents	(29,660)	(116,347)
Cash and cash equivalents at beginning of period	232,118	310,297
Cash and cash equivalents at end of period	202,458	193,950
Supplemental cash flow information:
Taxes paid	20,500	0
Interest paid	53,556	101,554
Conversion of Debt [Member]
Supplemental non-cash information:
Conversion of debt and accrued interest to equity	0	600,000
Conversion of Accrued Interest [Member]
Supplemental non-cash information:
Conversion of debt and accrued interest to equity	$ 0	$ 37,400