Net Income (Loss) Per Share Net Income (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 5,420,000	$ 1,729,000	$ (1,338,000)	$ (2,329,000)	$ 607,000	$ (2,287,000)	$ (2,764,000)	$ (3,157,000)	$ 3,482,000	$ (7,601,000)	$ (16,557,000)	$ (16,557,000)
Weighted Average Number of Shares Outstanding, Basic									27,886,278	27,138,274	26,366,748
Basic (in dollars per share)	$ 0.19	$ 0.06	$ (0.05)	$ (0.08)	$ 0.02	$ (0.08)	$ (0.10)	$ (0.12)	$ 0.12	$ (0.28)	$ (0.63)
Weighted Average Number of Shares Outstanding, Diluted									28,816,977	27,138,274	26,366,748
Diluted (in dollars per share)	$ 0.19	$ 0.06	$ (0.05)	$ (0.08)	$ (0.12)	$ (0.10)	$ (0.08)	$ 0.02	$ 0.12	$ (0.28)	$ (0.63)
Stock Options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									167,208	0	0
RSUs
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									763,491	0	0