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Share-Based Payments (Tables) | 6 Months Ended
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Jun. 30, 2021
Share-based Payment Arrangement [Abstract] |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] | The following table summarizes the total share-based compensation expense recognized for the three and six months ended June 30, 2021 and 2020 (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Share-based compensation expense |  | $ | 383 |  |  | $ | 714 |  |  | $ | 765 |  |  | $ | 966 |
Nonvested Restricted Stock Shares Activity [Table Text Block] | Restricted stock award activity (including those with performance-based vesting criteria) for the six months ended June 30, 2021 is summarized as follows:
|  | Restricted Stock Awards |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding, December 31, 2020 |  |  | 507,867 |  |  | $ | 12.73 |
Awarded |  |  | 113,896 |  |  |  | 4.98 |
Vested |  |  | (97,645 | ) |  |  | 20.87 |
Forfeited |  |  | (93,352 | ) |  |  | 12.67 |
Outstanding, June 30, 2021 |  |  | 430,766 |  |  |  | 8.85 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] | Restricted stock unit activity (including those with performance-based vesting criteria) for the six months ended June 30, 2021 is summarized as follows:
|  | Restricted Stock Units |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding, December 31, 2020 |  |  | 131,517 |  |  | $ | 6.32 |
Awarded |  |  | — |  |  |  | — |
Vested |  |  | (5,807 | ) |  |  | 51.50 |
Forfeited |  |  | — |  |  |  | — |
Outstanding, June 30, 2021 |  |  | 125,710 |  |  |  | 4.24 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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=122041274&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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