BALANCE SHEETS - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 4,000	$ 113,000
Accounts receivable, net of allowance for doubtful accounts of $34,000 at December 31, 2019 and $36,000 at December 31, 2018	370,000	452,000
Inventory, net of allowance of $291,000 at December 31, 2019 and $268,000 at December 31, 2018	810,000	1,019,000
Prepaid expenses and other current assets	6,000	29,000
Right of use asset - operating leases	34,000	0
Total current assets	1,227,000	1,613,000
Property, plant and equipment, net	644,000	718,000
Patents, net	116,000	123,000
Right of use asset - operating leases	73,000	0
Other assets	21,000	21,000
Total assets	2,078,000	2,475,000
Current liabilities
Accounts payable	652,000	359,000
Accrued expenses and other current liabilities	543,000	449,000
Right of use liability - operating leases	34,000	0
Wages payable	104,000	278,000
Line of credit	337,000	502,000
Current portion of long-term debt, net of deferred finance costs	17,000	237,000
Total current liabilities	1,687,000	1,825,000
Long-term debt, net of current portion and deferred finance costs	1,108,000	796,000
Right of use liability - operating leases	73,000	0
Total liabilities	2,868,000	2,621,000
COMMITMENTS AND CONTINGENCIES
Stockholders' deficit:
Preferred stock; par value $.01 per share; 5,000,000 shares authorized, none issued and outstanding	0	0
Common stock; par value $.01 per share; 50,000,000 shares authorized; 32,680,984 issued and outstanding as of December 31, 2019 and 32,279,368 issued and outstanding as of December 31, 2018	327,000	323,000
Additional paid-in capital	21,437,000	21,404,000
Accumulated deficit	(22,554,000)	(21,873,000)
Total stockholders' (deficit)/equity	(790,000)	(146,000)
Total liabilities and stockholders' (deficit)/equity	$ 2,078,000	$ 2,475,000