Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
BALANCE at Dec. 31, 2011	$ 30,965	$ (926)	$ 22,930	$ 52,969
BALANCE, shares at Dec. 31, 2011	6,933,000
Excess tax benefit from exercise of stock options, net of deferred tax shortfall related to stock options and restricted stock units	(149)			(149)
Exercise of stock options, vesting of restricted stock units, net of shares exchanged as payment	27			27
Exercise of stock options, vesting of restricted stock units, net of shares exchanged as payment, shares	15,000
Share issuances for compensation purposes	41			41
Share issuances for compensation purposes, shares	5,000
Stock compensation	408			408
Issuance of common stock under Employee Stock Purchase Plan	139			139
Issuance of common stock under Employee Stock Purchase Plan, shares	20,000
Repurchase of common stock	(21)			(21)
Repurchase of common stock, shares	(3,000)
Market value adjustments of marketable securities, net of reclassification adjustment		(41)		(41)
Unrealized (loss) gain on foreign exchange forward contracts, net of reclassification adjustment		434		434
Cumulative translation adjustment		376		376
Net loss			(6,711)	(6,711)
BALANCE at Dec. 31, 2012	31,410	(157)	16,219	47,472
BALANCE, shares at Dec. 31, 2012	6,970,000
Exercise of stock options, vesting of restricted stock units, net of shares exchanged as payment	25			25
Exercise of stock options, vesting of restricted stock units, net of shares exchanged as payment, shares	18,000
Share issuances for compensation purposes	30			30
Share issuances for compensation purposes, shares	5,000
Stock compensation	417			417
Issuance of common stock under Employee Stock Purchase Plan	65			65
Issuance of common stock under Employee Stock Purchase Plan, shares	13,000
Repurchase of common stock	(2,979)			(2,979)
Repurchase of common stock, shares	(508,535)			(508,535)
Market value adjustments of marketable securities, net of reclassification adjustment		55		55
Unrealized (loss) gain on foreign exchange forward contracts, net of reclassification adjustment		(227)		(227)
Cumulative translation adjustment		(211)		(211)
Net loss			(6,168)	(6,168)
BALANCE at Dec. 31, 2013	$ 28,968	$ (540)	$ 10,051	$ 38,479
BALANCE, shares at Dec. 31, 2013	6,497,000