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Quarterly Financial Information | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information | Note 13 - Quarterly Financial Information (Unaudited) (in thousands, except per share amounts)
|  | Quarter Ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 219,104 |  |  | $ | 201,031 |  |  | $ | 227,513 |  |  | $ | 233,176 |
Cost of revenues |  |  | 193,053 |  |  |  | 154,388 |  |  |  | 168,279 |  |  |  | 182,197 |
Gross margin |  |  | 26,051 |  |  |  | 46,643 |  |  |  | 59,234 |  |  |  | 50,979 |
Net (loss) income |  |  | (3,407 | ) |  |  | 11,510 |  |  |  | 18,511 |  |  |  | 7,151 |
Basic (loss) income per common share |  |  | (0.45 | ) |  |  | 1.52 |  |  |  | 2.42 |  |  |  | 0.94 |
Diluted (loss) income per common share |  |  | (0.45 | ) |  |  | 1.51 |  |  |  | 2.40 |  |  |  | 0.93 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 218,215 |  |  | $ | 230,982 |  |  | $ | 247,962 |  |  | $ | 245,152 |
Cost of revenues |  |  | 189,868 |  |  |  | 175,863 |  |  |  | 177,198 |  |  |  | 191,129 |
Gross margin |  |  | 28,347 |  |  |  | 55,119 |  |  |  | 70,764 |  |  |  | 54,023 |
Net (loss) income |  |  | (2,300 | ) |  |  | 13,907 |  |  |  | 24,971 |  |  |  | 11,714 |
Basic (loss) income per common share |  |  | (0.31 | ) |  |  | 1.88 |  |  |  | 3.34 |  |  |  | 1.57 |
Diluted (loss) income per common share |  |  | (0.31 | ) |  |  | 1.81 |  |  |  | 3.24 |  |  |  | 1.51 |

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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Namespace Prefix: | us-gaap_
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