Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Examination [Line Items]
Income tax provision (benefit)	$ (116,000)	$ 21,000	$ 10,000	$ 108,000
Effective income tax rate (as a percent)			25.50%
Excess tax benefit from the exercise of stock options			$ 207,000
Need for valuation allowance based on history of cumulative losses			3 years