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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2019
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Based Compensation Grants | The following table summarizes the stock grants outstanding under our 2005 Long-Term Incentive Plan ("2005 LTIP"), 2010 ECP and 2017 ECP plans as of December 31, 2019:
| Options Outstanding |  | RSUs Outstanding |  | Options and RSUs Exercised |  | Available Shares |  | Total
2017 ECP | — |  |  | 1,382,281 |  |  | 511,544 |  |  | 7,206,175 |  |  | 9,100,000 |
2010 ECP | 14,498 |  |  | 1,186,670 |  |  | 3,855,091 |  |  | 25,759 |  |  | 5,082,018 |
2005 LTIP (*) | 3,750 |  |  | — |  |  | 950,085 |  |  | — |  |  | 953,835 |
Total | 18,248 |  |  | 2,568,951 |  |  | 5,316,720 |  |  | 7,231,934 |  |  | 15,135,853 |
(*) Expired June 2015
Schedule of Stock Options | The following table summarizes our stock option activity under the 2005 LTIP and 2010 ECP plans during 2019:
| Options |  | Weighted Average Exercise Price
Outstanding, beginning of year | 264,246 |  |  | $ | 2.84 |
Granted | — |  |  | $ | — |
Forfeited, expired or cancelled | 245,998 |  |  | $ | 2.92 |
Exercised | — |  |  | $ | — |
Outstanding, end of year | 18,248 |  |  | $ | 1.74 |
Exercisable, end of year | 18,248 |  |  | $ | 1.74 |
Schedule of RSA Activity | The following table summarizes our restricted stock activity for 2019:
| Restricted Stock |  | Weighted Average Fair Value
Outstanding, beginning of year | 1,571,864 |  |  | $ | 0.79 |
Granted | 3,061,429 |  |  | $ | 0.30 |
Exercised | 944,052 |  |  | $ | 0.58 |
Forfeited | 1,120,290 |  |  | $ | 0.83 |
Outstanding, end of year | 2,568,951 |  |  | $ | 0.79 |

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, 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 (e) -URI http://asc.fasb.org/extlink&oid=116856206&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 (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + 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=116856206&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=116856206&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=116856206&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=116856206&loc=d3e5070-113901 + Details
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