Condensed Balance Sheets - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 15,000	$ 113,000
Accounts receivable, net of allowance for doubtful accounts of $34,000 at September 30, 2019 and $36,000 at December 31, 2018	492,000	452,000
Inventory, net of allowance of $286,000 at Septmeber 30, 2019 and $268,000 at December 31, 2018	890,000	1,019,000
Prepaid expenses and other current assets	24,000	29,000
Right of use asset - operating leases	12,000	0
Total current assets	1,433,000	1,613,000
Property, plant and equipment, net	663,000	718,000
Patents, net	118,000	123,000
Right of use asset - operating leases	11,000	0
Other assets	21,000	21,000
Total assets	2,246,000	2,475,000
Current liabilities
Accounts payable	606,000	359,000
Accrued expenses and other current liabilities	534,000	449,000
Right of use liability - operating leases	12,000	0
Wages payable	136,000	278,000
Line of credit	431,000	502,000
Current portion of long-term debt, net of deferred finance costs	1,079,000	237,000
Total current liabilities	2,798,000	1,825,000
Long-term debt/other liabilities, net of current portion and deferred finance costs	0	796,000
Right of use liability - operating leases	11,000	0
Total liabilities	2,809,000	2,621,000
COMMITMENTS AND CONTINGENCIES
Stockholders' deficit:
Preferred stock; par value $.01 per share; 5,000,000 shares authorized, none issued and outstanding at June 30, 2019 and December 31, 2018	0	0
Common stock; par value $.01 per share; 50,000,000 shares authorized; 32,545,776 issued and outstanding at September 30, 2019 and 32,279,368 issued and outstanding as of December 31, 2018	325,000	323,000
Additional paid-in capital	21,425,000	21,404,000
Accumulated deficit	(22,313,000)	(21,873,000)
Total stockholders' deficit	(563,000)	(146,000)
Total liabilities and stockholders' deficit	$ 2,246,000	$ 2,475,000