Condensed Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2012	$ 11,451	$ 11	$ 42,867	$ (5,790)	$ (25,637)
Balance (in shares) at Dec. 31, 2012		15,720,062
Net loss	(193)	0	0	(193)	0
Common stock issued, exercise of stock options (Note 4)	27	0	27	0	0
Common stock issued, exercise of stock options (Note 4) (in shares)		25,000
Share-based compensation expense (Note 4)	119	0	119	0	0
Common stock granted pursuant to a compensation plan (Note 4)	27	0	27	0	0
Common stock granted pursuant to a compensation plan (Note 4) (in shares)		16,470
Common shares issued (Note 4)	195	0	195	0	0
Common shares issued (Note 4) (in shares)		125,000
Balance at Sep. 30, 2013	$ 11,626	$ 11	$ 43,235	$ (5,983)	$ (25,637)
Balance (in shares) at Sep. 30, 2013		15,886,532