Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Effective income tax rate	37.00%	25.00%	46.00%	9.00%
Valuation allowances against deferred tax assets	$ 2,300,000		$ 2,300,000		$ 2,100,000
Net deferred tax liability	$ 2,000,000		$ 2,000,000
Net deferred tax asset					$ 18,200,000
Research [Member]
Reversal in uncertain tax positions				$ 794,000