Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income Tax Examination [Line Items]
Income tax provision	$ 44,000	$ 20,000	$ 87,000	$ 40,000
Need for valuation allowance based on history of cumulative losses, years			3 years
Repatriated foreign earnings					$ 3,600,000
Amount of foreign earnings repatriated previously taxed					1,900,000
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries					$ 2,400,000
Inland Revenue, Singapore (IRAS)
Income Tax Examination [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions			$ 0