Stockholders' Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Equity [Abstract]
Foreign currency items, Balance at Beginning			$ (500,000)	$ (360,000)
Foreign currency items, Net current period change			180,000
Foreign currency items, Balance at End	$ (320,000)	$ (360,000)	(320,000)	(360,000)
Unrealized gain (losses) on investments, Balance at Beginning				(15,000)
Unrealized gain (losses) on investments, Net current period change			8,000	24,000
Unrealized gain (losses) on investments, Balance at End	8,000	9,000	8,000	9,000
Accumulated other comprehensive income, Balance at Beginning			(500,000)	(375,000)
Accumulated other comprehensive income, Net current period change	(9,000)	153,000	188,000	24,000
Accumulated other comprehensive income, Net of Tax	$ (312,000)	$ (351,000)	$ (312,000)	$ (351,000)