Condensed Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Series C Preferred Stock [Member]
Liabilities and shareholders' equity
Redeemable series C preferred stock par value $.01 per share, authorized 150,000 shares, issued and outstanding 5,000 shares (involuntary liquidation value - $80,450)	$ 80,450	$ 80,450
Series B Preferred Stock [Member]
Shareholders' equity:
Preferred stock	11,024	11,024
Convertible Preferred Stock [Member]
Shareholders' equity:
Preferred stock	2,550	2,550
Series D Preferred Stock [Member]
Shareholders' equity:
Preferred stock	6,900	6,900
Cash and cash equivalents	1,159,584	1,161,634
Receivables on government contracts	1,607,621	1,575,954
Prepaid expenses and other current assets	151,926	105,197
Deferred tax asset, current	28,065	28,065
Total current assets	2,947,196	2,870,850
Equipment	64,379	61,686
Furniture & fixtures	14,728	14,728
Less: accumulated depreciation	(65,562)	(62,123)
Property and equipment, net	13,545	14,291
Patents and trademarks	1,383	1,383
Less: accumulated amortization	(1,243)	(1,173)
Intangible assets, net	140	210
Deferred tax assets	86,935	140,935
Total assets	3,047,816	3,026,286
Accrued payroll and payroll taxes	420,005	493,308
Accounts payable and accrued expenses	517,049	688,534
Accrued warranty expense	40,100	33,500
Total current liabilities	977,154	1,215,342
Long-term liabilities	4,625	7,770
Total liabilities	981,779	1,223,112
Common stock, par value $.01 per share, authorized 60,000,000 shares, issued and outstanding 32,018,753 shares at June 30, 2015 and December 31, 2014	320,188	320,188
Capital in excess of par value	11,630,090	11,628,728
Accumulated deficit	(9,985,165)	(10,246,666)
Total shareholders' equity	1,985,587	1,722,724
Total liabilities and shareholders' equity	$ 3,047,816	$ 3,026,286