Condensed Balance Sheets - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 97,000	$ 158,000
Accounts receivable, net of allowance for doubtful accounts of $50,000 at March 31, 2016 and December 31, 2015	789,000	672,000
Inventory, net of allowance of $453,000 at March 31, 2016 and $432,000 at December 31, 2015	1,621,000	1,746,000
Prepaid expenses and other current assets	90,000	40,000
Total current assets	2,597,000	2,616,000
Property, plant and equipment, net	887,000	910,000
Patents, net	69,000	67,000
Other assets	14,000	14,000
Deferred finance costs, net	71,000	79,000
Total assets	3,638,000	3,686,000
Current liabilities
Accounts payable	470,000	373,000
Accrued expenses and other current liabilities	215,000	212,000
Wages payable	287,000	292,000
Line of credit	621,000	777,000
Current portion of long-term debt	75,000	75,000
Total current liabilities	1,668,000	1,729,000
Other liabilities	38,000	38,000
Related party note payable	124,000	124,000
Long-term debt, net of current portion	683,000	834,000
Total liabilities	$ 2,513,000	$ 2,725,000
COMMITMENTS AND CONTINGENCIES
Stockholders' equity:
Preferred stock; par value $.01 per share; 5,000,000 shares authorized, none issued and outstanding at March 31, 2016 and December 31, 2015	$ 0	$ 0
Common stock; par value $.01 per share; 50,000,000 shares authorized; 27,271,408 issued and outstanding at March 31, 2016 and 26,032,930 issued and outstanding at December 31, 2015	272,000	260,000
Additional paid-in capital	20,807,000	20,656,000
Accumulated deficit	(19,954,000)	(19,955,000)
Total stockholders’ equity	1,125,000	961,000
Total liabilities and stockholders’ equity	$ 3,638,000	$ 3,686,000