Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2016 - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2015	$ 129,000	$ 110,116,000	$ (85,128,000)	$ (500,000)	$ (4,047,000)	$ 20,570,000
Balance, shares at Dec. 31, 2015	14,211,000
Net loss			(4,287,000)			(4,287,000)
Foreign currency translation adjustment				180,000		180,000
Unrealized gain on investments				8,000		8,000
Shares issued pursuant to exercise of stock options		20,000				20,000
Shares issued pursuant to exercise of stock options, shares	6,000
Issuance of restricted stock
Issuance of restricted stock, shares	383,000
Shares withheld pursuant to exercise of stock options and restricted stock					(293,000)	(293,000)
Forfeiture of restricted shares
Forfeiture of restricted shares, shares	(29,000)
Stock based compensation - restricted stock		904,000				904,000
Stock based compensation - options and performance shares		595,000				595,000
Balance at Sep. 30, 2016	$ 129,000	$ 111,635,000	$ (89,415,000)	$ (312,000)	$ (4,340,000)	$ 17,697,000
Balance, shares at Sep. 30, 2016	14,571,000