Condensed Consolidated Statement of Changes in Stockholders' Equity - 9 months ended Sep. 30, 2015 - 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	(8,982,000)		$ 0	0	(8,982,000)	0	0
Foreign currency translation adjustment	0		0	0	0	0	0
Unrealized loss on investments	24,000		0	0	0	24,000	0
Shares issued pursuant to exercise of stock options	2,199,000		$ 5,000	2,194,000
Shares issued pursuant to exercise of stock options (in shares)			555,000
Issuance of restricted stock	0		$ 0	0	0	0	0
Issuance of restricted stock (in shares)			232,000
Shares withheld pursuant to exercise of stock options and restricted stock	(455,000)		$ 0	0	0	0	(455,000)
Forfeiture of restricted shares (in shares)			(49,000)
Stock based compensation - restricted stock	1,010,000		$ 0	1,010,000	0	0	0
Stock based compensation - options and performance shares	223,000		0	223,000	0	0	0
Balance at Sep. 30, 2015	$ 21,274,000		$ 129,000	$ 109,699,000	$ (84,158,000)	$ (351,000)	$ (4,045,000)
Balance (in shares) at Sep. 30, 2015			14,214,000

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