Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Taxes
Income tax expense (benefit)	$ (232,000)	$ 75,000
Income tax rate, percentage	41.90%	43.90%
Unrecognized tax benefits	$ 528,000		$ 528,000
Unrecognized tax benefits, if recognized, that would affect the effective income tax rates of future periods	$ 528,000