Income Taxes, Uncertain Tax Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	$ 283,000	$ 260,000
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	170,000	23,000
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions	40,000	0
Unrecognized Tax Benefits, Period Increase (Decrease), Total	130,000	23,000
Unrecognized Tax Benefits, Ending Balance	413,000	283,000
Domestic Tax Authority [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Income tax penalties and interest expense on tax liabilities for certain foreign tax contingencies	0	2,000
Foreign Tax Authority [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Income tax penalties and interest expense on tax liabilities for certain foreign tax contingencies	167,000	0
Foreign Tax Authority [Member] | State Administration of Taxation, China [Member] | Unrecognized Tax Liabilities [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	222,000	199,000
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	3,000	23,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total	3,000	23,000
Unrecognized Tax Benefits, Ending Balance	225,000	222,000
Foreign Tax Authority [Member] | State Administration of Taxation, China [Member] | Income Tax Penalties and Interest Accrued [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	0	0
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	152,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total	152,000	0
Unrecognized Tax Benefits, Ending Balance	152,000	0
Foreign Tax Authority [Member] | State Fiscal Service of Ukraine [Member] | Unrecognized Tax Liabilities [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	61,000	61,000
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions	40,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total	(40,000)	0
Unrecognized Tax Benefits, Ending Balance	21,000	61,000
Foreign Tax Authority [Member] | State Fiscal Service of Ukraine [Member] | Income Tax Penalties and Interest Accrued [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	0	0
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	15,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total	15,000	0
Unrecognized Tax Benefits, Ending Balance	$ 15,000	$ 0