Equity Incentive Awards (Details 3) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Stock Bonus and Restricted Stock, Grants in Period	27,728	20,512	10,248
Share-based Compensation Arrangement by Share-based Payment Award, Stock Bonus and Restricted Stock to Consultants, Grants in Period, Weighted Average Grant Date Fair Value	$ 5.67	$ 7.80	$ 15.61
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 2,900	$ 3,300	$ 4,700

The number of grants of stock bonus and restricted stock awards made during the period under equity incentive plans.

No definition available.

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- Definition

The weighted average grant date fair value for grants of stock bonus and restricted stock awards made to consultants during the period under equity incentive plans.

+ References

No definition available.

+ Details

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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