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Note 13 - Share-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Cost of sales |  | $ | 383 |  |  | $ | 12 |  |  | $ | 292 |
Selling, general, and administrative expense |  |  | 1,326 |  |  |  | 269 |  |  |  | 908 |
Total |  | $ | 1,709 |  |  | $ | 281 |  |  | $ | 1,200 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Options Outstanding |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
|  |  |  |  |  |  |  |  |  | (in years) |  |  | (in thousands) |
Balance, December 31, 2018 |  |  | 24,000 |  |  | $ | 24.15 |  |  |  |  |  |  |  |  |
Options granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Options exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Options canceled |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Balance, December 31, 2019 |  |  | 24,000 |  |  |  | 24.15 |  |  |  |  |  |  |  |  |
Exercisable, December 31, 2019 |  |  | 24,000 |  |  |  | 24.15 |  |  |  | 0.24 |  |  | $ | 220 |
Schedule of Unvested Restricted Stock Units and Performance Share Awards Activity [Table Text Block] |
|  | Number of RSUs and PSAs (1) |  |  | Weighted- Average Grant Date Fair Value |
Unvested PSAs as of December 31, 2018 |  |  | 39,992 |  |  | $ | 19.97 |
RSUs and PSAs granted |  |  | 86,701 |  |  |  | 23.56 |
Unvested RSUs and PSAs canceled |  |  | (1,531 | ) |  |  | 23.56 |
PSAs vested (2) |  |  | (39,992 | ) |  |  | 19.97 |
Unvested RSUs and PSAs as of December 31, 2019 |  |  | 85,170 |  |  |  | 23.56 |

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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=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 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=116856206&loc=d3e5047-113901 + 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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