Condensed Balance Sheets - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 433,000	$ 352,000
Accounts receivable, net of allowance for doubtful accounts of $51,000 at June 30, 2015, and $47,000 at December 31, 2014	859,000	814,000
Inventory, net of allowance of $366,000 at June 30, 2015 and $324,000 at December 31, 2014	1,824,000	1,722,000
Current portion of deferred financing	0	43,000
Prepaid expenses and other current assets	96,000	85,000
Total current assets	3,212,000	3,016,000
Property, plant and equipment, net	942,000	983,000
Patents	68,000	65,000
Other assets	14,000	14,000
Deferred finance costs	193,000	0
Total assets	4,429,000	4,078,000
Current liabilities
Accounts payable	508,000	410,000
Accrued expenses and other current liabilities	190,000	192,000
Wages payable	318,000	264,000
Line of credit, net	1,072,000	979,000
Current portion of long-term debt, net	75,000	858,000
Total current liabilities	2,163,000	2,703,000
Other liabilities	68,000	68,000
Related party note	124,000	124,000
Long-term debt	923,000	213,000
Total liabilities	$ 3,278,000	$ 3,108,000
COMMITMENTS AND CONTINGENCIES
Stockholders' equity:
Preferred stock; par value $.01 per share; 5,000,000 shares authorized, none issued and outstanding at June 30, 2015 and December 31, 2014
Common stock; par value $.01 per share; 50,000,000 shares authorized; 26,032,930 issued and outstanding at June 30, 2015 and 23,648,315 issued and outstanding at December 31, 2014	$ 260,000	$ 236,000
Additional paid-in capital	20,641,000	20,356,000
Accumulated deficit	(19,750,000)	(19,622,000)
Total stockholders’ equity	1,151,000	970,000
Total liabilities and stockholders’ equity	$ 4,429,000	$ 4,078,000