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Common Stock | 6 Months Ended
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Jun. 30, 2020
Equity [Abstract] |
Common Stock |
1 3. | COMMON STOCK
Common Stock The following table summarizes the total number of shares of the Company’s common stock issued and reserved for issuance as of June 30, 2020 and December 31, 2019 (in thousands):
|  | June 30, 2020 |  |  | December 31, 2019 |
Shares of common stock issued |  |  | 18,809 |  |  |  | 18,645 |
Shares of common stock reserved for issuance for: |  |  |  |  |  |  |  |
Common stock warrants outstanding |  |  | 105 |  |  |  | 105 |
Stock options outstanding |  |  | 1,865 |  |  |  | 2,415 |
Restricted stock units outstanding |  |  | 1,289 |  |  |  | 245 |
Shares available for grant under stock incentive plan |  |  | 1,295 |  |  |  | 1,215 |
Shares available for sale under employee stock purchase plan |  |  | 608 |  |  |  | 421 |
Total shares of common stock issued and reserved for issuance |  |  | 23,971 |  |  |  | 23,046 |
Common Stock Warrants The following table summarizes the Company’s outstanding common stock warrants as of June 30, 2020 and December 31, 2019:
Warrants Outstanding (in thousands) |  |  | Exercise Price |  |  | Expiration Date
| 14 |  |  | $ | 19.55 |  |  | Dec-2022
| 30 |  |  | $ | 9.73 |  |  | Feb-2021
| 20 |  |  | $ | 9.73 |  |  | Aug-2023
| 20 |  |  | $ | 9.73 |  |  | Mar-2024
| 21 |  |  | $ | 9.73 |  |  | Dec-2024
| 105 |  |  |  |  |  |  |

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: 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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