Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Tax Credit Carryforward [Line Items]
Income (loss) before income taxes	$ 6,683	$ 6,843	$ 376
Valuation allowance, deferred tax asset, change in amount	564
Valuation allowance, increase in net operating losses	397
Valuation allowance, decrease in expiration of reserved state tax credit-carryforwards	104
Valuation allowance, increase in net operating loss and credit carryforwards, tax deductions	177
Valuation allowance, amount	2,700
Change in valuation allowance	491	468	338
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net	693
Undistributed earnings of foreign subsidiaries	2,050
Deferred tax assets, research credit	363
Deferred Tax Assets, Tax Credit Carryforwards, State And Operating Loss Carryforwards, Foreign
Tax Credit Carryforward [Line Items]
Valuation allowance, amount	1,473
Deferred Tax Assets, Tax Credit Carryforwards And Operating Loss Carryforwards
Tax Credit Carryforward [Line Items]
Valuation allowance, amount	1,228
Alternative Minimum Tax
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	132
Federal and State Tax Jurisdictions
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	1,651
Federal
Tax Credit Carryforward [Line Items]
Income (loss) before income taxes	5,500	7,917	971
Federal | Research Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	2,654
State Tax Authority
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	373
Change in valuation allowance	491
State Tax Authority | Research Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward, amount	3,143
Foreign Tax Authority
Tax Credit Carryforward [Line Items]
Operating loss carryforwards	4,032
Tax credit carryforward, amount	$ 1,479