Net Loss per Share Computation of Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 782	$ 1,205	$ (2,445)	$ (652)
Net Loss			$ (2,445)	$ (652)
Weighted Average Number of Shares Outstanding, Basic	34,876,782	33,129,416	34,593,345	31,376,239
Earnings Per Share, Basic	$ 0.02	$ 0.04	$ (0.07)	$ (0.02)
Weighted Average Number of Shares Outstanding, Diluted	36,399,136	36,385,360	34,593,345	31,376,239
Earnings Per Share, Diluted	$ 0.02	$ 0.03	$ (0.07)	$ (0.02)
Employee Stock Option [Member]
Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Weighted Average Number of Shares Outstanding, Diluted	1,457,486	2,663,375
Restricted Stock Units (RSUs) [Member]
Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Weighted Average Number of Shares Outstanding, Diluted	64,868	236,932
Warrant [Member]
Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Weighted Average Number of Shares Outstanding, Diluted		355,637

Net Loss

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[Line Items] for Schedule of Earnings Per Share, Basic and Diluted [Table]

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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