Condensed Consolidated Balance Sheets-Unaudited (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 5,496	$ 7,183
Restricted cash (Note E)	0	1,500
Accounts receivable, less allowances of $46 and $42, respectively	3,482	3,237
Inventories, net (Note C)	4,423	4,629
Prepaid expenses and other current assets	288	405
Total Current Assets	13,689	16,954
Property, Plant and Equipment
Land	633	633
Buildings and improvements	3,908	3,908
Machinery and equipment	16,264	15,980
Gross property, plant and equipment	20,805	20,521
Less: accumulated depreciation	(17,157)	(16,535)
Net property, plant, and equipment	3,648	3,986
Other assets, net	802	323
Total Assets	18,139	21,263
LIABILITIES AND STOCKHOLDERS' EQUITY
Note payable to bank (Note E)	0	1,181
Accounts payable	2,193	1,978
Accrued compensation and commissions expense	840	992
Accrued restructuring expense	88	70
Accrued warranty expense	295	22
Other accrued expenses	329	265
Total Current Liabilities	3,745	4,508
Stockholders' Equity:
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,674,448 shares issued and 2,594,680 shares outstanding at September 30, 2014 and 2,674,530 shares issued and 2,594,784 shares outstanding at December 31, 2013	27	27
Additional paid-in capital	28,806	28,593
Accumulated deficit	(13,908)	(11,338)
Treasury stock: 79,768 and 79,664 shares held in treasury at cost at September 30, 2014 and December 31, 2013, respectively	(572)	(572)
Accumulated other comprehensive income	41	45
Total Stockholders' Equity	14,394	16,755
Total Liabilities and Stockholders' Equity	$ 18,139	$ 21,263