Condensed Consolidated Statement of Changes in Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2011	$ 121,000	$ 101,766,000	$ (53,510,000)	$ (49,000)	$ (2,728,000)	$ 45,600,000	[1]
Balance (in shares) at Dec. 31, 2011	12,546,000
Net loss	0	0	(1,546,000)	0	0	(1,546,000)
Comprehensive gain- unrealized gain on investments	0	0	0	111,000	0	111,000
Foreign currency translation adjustment	0	0	0	(37,000)	0	(37,000)
Shares repurchased	0	0	0	0	(193,000)	(193,000)
Shares issued pursuant to exercise of stock options	0	198,000	0	0	0	198,000
Shares issued pursuant to exercise of stock options (in shares)	51,000
Issuance of restricted stock	0	0	0	0	0	0
Issuance of restricted stock (in shares)	66,000
Shares withheld pursuant to exercise of stock option and restricted stock	0	0	0	0	(247,000)	(247,000)
Stock based compensation - restricted stock	0	383,000	0	0	0	383,000
Stock based compensation - options and performance shares	0	482,000	0	0	0	482,000
Balance at Sep. 30, 2012	$ 121,000	$ 102,829,000	$ (55,056,000)	$ 25,000	$ (3,168,000)	$ 44,751,000
Balance (in shares) at Sep. 30, 2012	12,663,000

[1] Derived from audited balance sheet as of December 31, 2011