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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2019
Class Of Stock Disclosures [Abstract] |
Stockholders' Equity |
(9) | Stockholders’ Equity
Shares Reserved for Future Issuance The following common stock is reserved for future issuance at December 31(1) (in thousands):
|  | 2019 |  |  | 2018 |
Warrants issued and outstanding |  |  | 51 |  |  |  | 51 |
Stock option awards issued and outstanding |  |  | 1,600 |  |  |  | 1,407 |
Authorized for grants under the 2016 Equity Incentive Plan |  |  | 401 |  | (2) |  | 463 |
Authorized for grants under the 2016 Employee Stock Purchase Plan |  |  | 186 |  | (3) |  | 100 |
|  |  | 2,238 |  |  |  | 2,021 |
(1) Treasury stock in the amount of 465,000 and 357,000 as of December 31, 2019, and 2018, respectively, are excluded from the table above. (2) On January 1, 2019, the number of authorized shares in the 2016 Equity Incentive Plan increased by 384,045 shares pursuant to the evergreen provisions of the 2016 Equity Incentive Plan. (3) On January 1, 2019, the number of authorized shares in the 2016 Employee Stock Purchase Plan increased by 96,000 shares pursuant to the evergreen provisions of the 2016 Employee Stock Purchase Plan.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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