Condensed Balance Sheets (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 521,000	$ 646,000
Accounts receivable, net of allowance for doubtful accounts of $52,000 at March 31, 2014 and $58,000 at December 31, 2013	909,000	875,000
Inventory, net of allowance of $399,000 at March 31, 2014 and at December 31, 2013	1,966,000	2,071,000
Current portion of deferred financing	72,000	51,000
Prepaid expenses and other current assets	124,000	96,000
Total current assets	3,592,000	3,739,000
Property, plant and equipment, net	1,062,000	1,090,000
Deferred finance costs	31,000	80,000
Patents, net	44,000	43,000
Other assets	14,000	14,000
Total assets	4,743,000	4,966,000
Current liabilities
Accounts payable	633,000	597,000
Accrued expenses and other current liabilities	252,000	314,000
Wages payable	255,000	233,000
Line of credit, net	814,000	987,000
Current portion of long-term debt, net	1,136,000	1,226,000
Total current liabilities	3,090,000	3,357,000
Other liabilities	148,000	147,000
Related party note	124,000	124,000
Total liabilities	3,362,000	3,628,000
COMMITMENTS AND CONTINGENCIES
Stockholders' equity:
Preferred stock; par value $.01 per share; 5,000,000 shares authorized, none issued and outstanding at March 31, 2014 and December 31, 2013
Common stock; par value $.01 per share; 50,000,000 shares authorized; 23,168,155 issued and outstanding at March 31, 2014 and 22,959,822 issued and outstanding at December 31, 2013	232,000	229,000
Additional paid-in capital	20,272,000	20,241,000
Accumulated deficit	(19,123,000)	(19,132,000)
Total stockholders' equity	1,381,000	1,338,000
Total liabilities and stockholders' equity	$ 4,743,000	$ 4,966,000