Condensed Balance Sheets - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 76,000	$ 36,000
Accounts receivable, net of allowance for doubtful accounts of $56,000 at June 30, 2018 and $52,000 at December 31, 2017	512,000	348,000
Inventory, net of allowance of $541,000 at June 30, 2018 and $500,000 at December 31, 2017	1,261,000	1,473,000
Prepaid expenses and other current assets	33,000	97,000
Total current assets	1,882,000	1,954,000
Property, plant and equipment, net	754,000	792,000
Patents, net	119,000	109,000
Other assets	21,000	21,000
Deferred finance costs - line of credit, net	0	15,000
Total assets	2,776,000	2,891,000
Current liabilities
Accounts payable	349,000	374,000
Accrued expenses and other current liabilities	358,000	311,000
Wages payable	252,000	259,000
Line of credit	596,000	446,000
Current portion of long-term debt	237,000	87,000
Total current liabilities	1,792,000	1,477,000
Other liabilities/debt	13,000	19,000
Long-term debt, net of current portion and deferred finance costs	733,000	772,000
Total liabilities	2,538,000	2,268,000
COMMITMENTS AND CONTINGENCIES
Stockholders' equity:
Preferred stock; par value $.01 per share; 5,000,000 shares authorized, none issued and outstanding at June 30, 2018 and December 31, 2017	0	0
Common stock; par value $.01 per share; 50,000,000 shares authorized; 29,966,554 issued and outstanding at June 30, 2018 and 29,782,770 issued and outstanding as of December 31, 2017	300,000	298,000
Additional paid-in capital	21,196,000	21,170,000
Accumulated deficit	(21,258,000)	(20,845,000)
Total stockholders’ equity	238,000	623,000
Total liabilities and stockholders’ equity	$ 2,776,000	$ 2,891,000