Condensed Consolidated Statement of Changes in Stockholders' Equity (USD $)	Total		Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2014	$ 27,255,000	[1]	$ 124,000	$ 106,272,000	$ (75,176,000)	$ (375,000)	$ (3,590,000)
Balance (in shares) at Dec. 31, 2014			13,476,000
Net loss	(3,945,000)		0	0	(3,945,000)	0	0
Foreign currency translation adjustment	(332,000)		0	0	0	(332,000)	0
Unrealized loss on investments	15,000		0	0	0	15,000	0
Shares issued pursuant to exercise of stock options	155,000			155,000
Shares issued pursuant to exercise of stock options (in shares)			40,000
Issuance of restricted stock	0		0	0	0	0	0
Issuance of restricted stock (in shares)			5,000
Shares withheld pursuant to exercise of stock options and restricted stock	(117,000)		0	0	0	0	(117,000)
Forfeiture of restricted shares (in shares)			(21,000)
Stock based compensation - restricted stock	300,000		0	300,000	0	0	0
Stock based compensation - options and performance shares	88,000		0	88,000	0	0	0
Balance at Mar. 31, 2015	$ 23,419,000		$ 124,000	$ 106,815,000	$ (79,121,000)	$ (692,000)	$ (3,707,000)
Balance (in shares) at Mar. 31, 2015			13,500,000

[1] Derived from audited balance sheet as of December 31, 2014.