CONDENSED CONSOLIDATED BALANCE SHEETS-UNAUDITED - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 5,563	$ 5,553
Accounts receivable, less allowance of $32 and $34, respectively	3,137	2,606
Inventories, net (Note C)	3,477	3,546
Prepaid expenses and other current assets	227	247
Total Current Assets	12,404	11,952
Property, Plant and Equipment
Land	633	633
Buildings and improvements	3,946	3,938
Machinery and equipment	16,688	16,633
Gross property, plant and equipment	21,267	21,204
Less: accumulated depreciation	(18,402)	(18,039)
Net property, plant, and equipment	2,865	3,165
Intangible assets, net (Note D)	448	475
Other assets, net	206	211
Total Assets	15,923	15,803
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,208	987
Accrued compensation and commissions expense	779	769
Accrued warranty expense	118	126
Other accrued expenses	220	194
Total Current Liabilities	2,325	2,076
Commitments and Contingencies (Note J)
Stockholders' Equity:
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,745,098 shares issued and 2,665,434 shares outanding at June 30, 2016 and December 31, 2015	27	27
Additional paid-in capital	29,093	29,106
Accumulated deficit	(14,984)	(14,874)
Treasury stock: 79,664 shares held in treasury at cost at June 30, 2016 and December 31, 2015	(572)	(572)
Accumulated other comprehensive income	34	40
Total Stockholders' Equity	13,598	13,727
Total Liabilities and Stockholders' Equity	$ 15,923	$ 15,803