Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stock Based Awards - Schedule of Share-based Compensation, Stock Options, Activity (Details)

v3.19.1

Stock Based Awards - Schedule of Share-based Compensation, Stock Options, Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Number of shares available for grant, ending	1,016,000	1,813,000
Stock Option [Member]
Number of shares available for grant, beginning	873,000
Number of shares available for grant, Exercised
Number of shares available for grant, Granted
Number of shares available for grant, Cancelled	143,000
Number of shares available for grant, ending	1,016,000
Total options outstanding, beginning	1,351,000
Total options outstanding, Exercised
Total options outstanding, Granted
Total options outstanding, Cancelled	(143,000)
Total options outstanding, ending	1,208,000
Weighted Average Exercise Price, outstanding	$ 5.73
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Cancelled	4.16
Weighted Average Exercise Price, ending	$ 5.91
Aggregate Intrinsic Value, beginning	$ 788
Aggregate Intrinsic Value, ending

- Definition

Number of non-option equity instruments exercised by participants.

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- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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Net number of non-option equity instruments granted to participants.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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