CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2011	Mar. 31, 2011
Current assets:
Cash and cash equivalents	$ 715,323	$ 123,955
Accounts receivable, net	1,714,744	2,585,619
Unbilled government receivables	1,466,623	1,466,623
Inventories, net	2,520,492	2,970,378
Prepaid expenses and other	101,241	70,970
Deferred debt expense	108,321	108,321
Deferred income tax asset	1,105,802	1,131,175
Total current assets	7,732,546	8,457,041
Equipment and leasehold improvements, net	300,813	330,694
Deferred debt expenses – long-term	346,025	373,105
Deferred income tax asset – non-current	1,461,664	1,461,664
Other assets	52,886	35,235
Total assets	9,893,934	10,657,739
Current liabilities:
Current portion long-term debt	367,859	282,798
Capital lease obligations	7,353	15,685
Accounts payable	730,260	1,598,679
Progress billings		424,202
Deferred revenues – current portion	18,450	28,382
Accrued payroll, vacation pay and payroll taxes	444,357	445,738
Accrued expenses	1,451,387	1,287,034
Total current liabilities	3,019,666	4,082,518
Subordinated notes payable-related parties, net of debt discount	250,000	250,000
Deferred revenues	12,037	15,381
Warranty Liability	534,723	366,137
Long-term debt, net of debt discount	1,907,449	1,979,114
Total liabilities	5,723,875	6,693,150
Commitments	0	0
Stockholders' equity:
Common stock, par value $.10 per share, 2,648,215 and 2,646,215 issued and outstanding as of June 30, 2011 and March 31, 2011, respectively	264,821	264,621
Additional paid-in capital	5,740,952	5,711,531
Accumulated deficit	(1,835,714)	(2,011,563)
Total stockholders' equity	4,170,059	3,964,589
Total liabilities and stockholders' equity	$ 9,893,934	$ 10,657,739