Balance Sheets - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 156,000	$ 158,000
Accounts receivable, net of allowance for doubtful accounts of $49,000 at December 31, 2016 and $50,000 at December 31, 2015	556,000	672,000
Inventory, net of allowance of $449,000 at December 31, 2016 and $432,000 at December 31, 2015	1,582,000	1,746,000
Prepaid expenses and other current assets	92,000	40,000
Total current assets	2,386,000	2,616,000
Property, plant and equipment, net	824,000	910,000
Patents, net	93,000	67,000
Other assets	21,000	14,000
Deferred finance costs - line of credit, net	47,000	79,000
Total assets	3,371,000	3,686,000
Current liabilities
Accounts payable	304,000	373,000
Accrued expenses and other current liabilities	276,000	212,000
Wages payable	299,000	292,000
Line of credit	639,000	777,000
Current portion of long-term debt	75,000	75,000
Total current liabilities	1,593,000	1,729,000
Other liabilities	0	38,000
Related party note payable	0	124,000
Long-term debt, net of current portion and deferred finance costs	753,000	834,000
Total liabilities	2,346,000	2,725,000
COMMITMENTS AND CONTINGENCIES
Stockholders' equity:
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; 28,842,788 issued and outstanding as of December 31, 2016 and 26,032,930 issued and outstanding as of December 31, 2015	288,000	260,000
Additional paid-in capital	21,037,000	20,656,000
Accumulated deficit	(20,300,000)	(19,955,000)
Total stockholders’ equity	1,025,000	961,000
Total liabilities and stockholders’ equity	$ 3,371,000	$ 3,686,000