Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 165,249	$ 96,324
Accounts receivable, net of allowance for doubtful accounts of $179,259 in 2012 and $182,880 in 2011	978,982	1,154,459
Inventories	638,561	790,494
Advances on contracts	476,969	952,558
Prepaid expenses and other current assets	239,061	304,180
Total current assets	2,498,822	3,298,015
Accounts receivable-long term, net of allowance for doubtful accounts of $167,971 in 2012 and $372,000 in 2011	119,201	261,256
Advances on contracts	2,350,477	2,453,948
Investment in distributor, at cost		76,319
Investment in Medical Joint Venture		124,179
Furniture, Fixtures & Equipment net of accumulated depreciation of $458,708 as of December 31, 2012 and $446,484 as of December 31, 2011	36,624	52,309
Patents, net of accumulated amortization of $420,556 as of December 31, 2012 and $344,238 as of December 31, 2011	648,662	698,357
Other assets	7,317	27,819
Total assets	5,661,103	6,992,202
Current Liabilities:
Accounts payable	2,336,594	3,931,531
Accrued expenses and other payable	581,407	407,872
Accrued interest on Notes Payable	356,563	269,547
Total current liabilities	3,274,564	4,608,950
Long-term Liabilities:
Notes payable-net of discount of $0 and $3,065, respectively	450,000	446,935
Total long-term liabilities	450,000	446,935
Commitments and Contingencies
Stockholders' Equity
Common stock, par value $.001; authorized 50,000,000 shares; 16,563,306 shares issued 1,635,709 shares to be issued and 16,529,973 shares outstanding as of December 31, 2012; 15,556,878 shares issued, 1,501,457 shares to be issued, and 15,523,545 shares outstanding as of December 31, 2011	18,199	17,058
Additional paid-in capital	64,560,224	63,690,837
Accumulated deficit	(61,730,368)	(60,860,062)
Treasury stock, at cost, 33,333 shares	(911,516)	(911,516)
Total stockholders' equity	1,936,539	1,936,317
Total liabilities and stockholders' equity	$ 5,661,103	$ 6,992,202