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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Share-Based Compensation Expense | The amount of share-based compensation expense recognized by the Company by location in its statements of operations for the three and six months ended June 30, 2020 and 2019 is as follows (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Cost of revenues |  | $ | 15 |  |  | $ | 19 |  |  | $ | 31 |  |  | $ | 29 |
Sales and marketing |  |  | 236 |  |  |  | 404 |  |  |  | 666 |  |  |  | 608 |
General and administrative |  |  | 261 |  |  |  | 479 |  |  |  | 868 |  |  |  | 697 |
Research and development |  |  | 134 |  |  |  | 120 |  |  |  | 277 |  |  |  | 189 |
Total |  | $ | 646 |  |  | $ | 1,022 |  |  | $ | 1,842 |  |  | $ | 1,523 |
Summary of Stock Option Activity | The following table summarizes the Company’s stock option activity for the six months ended June 30, 2020:
|  | Number of Shares under Option (in thousands) |  |  | Weighted- average Exercise Price per Option |  |  | Weighted- average Remaining Contractual Life (in years) |  |  | Aggregate Intrinsic Value (in thousands) |
Outstanding at December 31, 2019 |  |  | 2,415 |  |  | $ | 7.11 |  |  |  |  |  |  |  |  |
Granted |  |  | 28 |  |  | $ | 2.94 |  |  |  |  |  |  |  |  |
Exercised |  |  | (98 | ) |  | $ | 1.28 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (480 | ) |  | $ | 11.16 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2020 |  |  | 1,865 |  |  | $ | 6.31 |  |  |  | 5.2 |  |  | $ | 527 |
Exercisable at June 30, 2020 |  |  | 1,312 |  |  | $ | 4.63 |  |  |  | 3.8 |  |  | $ | 527 |
Vested and expected to vest at June 30, 2020 |  |  | 1,865 |  |  | $ | 6.31 |  |  |  | 5.2 |  |  | $ | 527 |
Summary of Weighted-average Inputs and Assumptions used to Estimate Grant-date Fair Value of Stock Options | For the six months ended June 30, 2020, the grant-date fair value of stock options was estimated at the time of grant using the following weighted-average inputs and assumptions in the Black-Scholes option pricing model:
Estimated fair value of common stock |  | $ | 2.94 |
Exercise price |  | $ | 2.94 |
Expected term (in years) |  |  | 6.1 |
Risk-free interest rate |  |  | 1 | %
Expected volatility |  |  | 55 | %
Dividend yield |  |  | 0 | %
Summary of Restricted Stock Award and Restricted Stock Unit Activity | The following table summarizes the Company’s restricted stock award and restricted stock unit activity for the six months ended June 30, 2020:
|  | Non-vested Restricted Stock Units (in thousands) |  |  | Weighted- average Grant-date Fair Value |
Non-vested at December 31, 2019 |  |  | 245 |  |  | $ | 15.23 |
Granted |  |  | 1,504 |  |  | $ | 3.40 |
Vested |  |  | (66 | ) |  | $ | 15.26 |
Forfeited |  |  | (394 | ) |  | $ | 5.34 |
Non-vested at June 30, 2020 |  |  | 1,289 |  |  | $ | 4.45 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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