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STOCKHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2020
Stockholders' Equity Note [Abstract] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The following table summarizes the weighted average assumptions used to develop their fair value for the year ending December 31, 2020 and 2019:
| 2020 |  | 2019
Grant date fair value | $ | 2.44 |  |  | $ | 2.65 |
Risk-free interest rate | 0.20 | % |  | 1.25 | %
Expected volatility | 55 | % |  | 44 | %
Expected life in years | 2.85 |  | 3.50
Dividend yield | — |  |  | — |
Schedule of Share-based Compensation, Stock Options, Reserved Shares for Future Issuance, Activity | As of December 31, 2020, we reserved shares of common stock for future issuance under the 2009 Plan and 2018 Plan as follows:
Options and RSUs outstanding | 1,713,000 |
Shares available for future grant | 1,244,000 |
Shares reserved | 2,957,000 |
Share-based Compensation, Stock Options, Activity | The following table summarizes activity related to options during the year ended December 31, 2020.
| Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value
Outstanding at the beginning of the year | 1,685,000 |  |  | $ | 9.71 |  |  |  |  |
Granted | 771,000 |  |  | 6.52 |  |  |  |  |
Exercised | (130,000) |  |  | 5.55 |  |  |  |  |
Canceled | (1,054,000) |  |  | 10.06 |  |  |  |  |
Outstanding at the end of the year | 1,272,000 |  |  | $ | 7.92 |  |  | 3.4 |  | $ | 533 |
Vested and expected to vest | 1,256,000 |  |  | $ | 8.55 |  |  | 3.2 |  | $ | 456 |
Exercisable | 375,000 |  |  | $ | 7.91 |  |  | 2.1 |  | $ | 98 |
Schedule of Summary of RSUs Activity | The following table summarizes activity related to RSUs during the year ended December 31, 2020.
| Shares |  | Weighted Average Grant-Date Fair Value
Outstanding at the beginning of the year | 70,000 |  |  | $ | 11.52 |
Granted | 597,000 |  |  | 5.32 |
Released | (76,000) |  |  | 6.86 |
Forfeited | (150,000) |  |  | 5.47 |
Outstanding at the end of the year | 441,000 |  |  | $ | 5.99 |

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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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