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Note 13 - Share-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
|  | Year Ended December 31 , |
|  | 201 7 |  |  | 201 6 |  |  | 201 5 |
Cost of sale s |  | $ | 292 |  |  | $ | 422 |  |  | $ | 412 |
Selling, general and administrative expens e |  |  | 908 |  |  |  | 1,387 |  |  |  | 1,331 |
Loss from operations of discontinued operation s |  |  | - |  |  |  | (8 | ) |  |  | 31 |
Tota l |  | $ | 1,200 |  |  | $ | 1,801 |  |  | $ | 1,774 |
Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Options Outstandin g |  |  | Weighted- Average Exercise Pric e |  |  | Weighted- Average Remaining Contractual Lif e |  |  | Aggregate Intrinsic Valu e |
|  |  |  |  |  |  |  |  |  | (in years ) |  |  | (in thousands ) |
Balance, December 31, 201 6 |  |  | 26,000 |  |  | $ | 24.97 |  |  |  |  |  |  |  |  |
Options grante d |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Options exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Options cancele d |  |  | (2,000 | ) |  |  | 34.77 |  |  |  |  |  |  |  |  |
Balance, December 31, 201 7 |  |  | 24,000 |  |  |  | 24.15 |  |  |  |  |  |  |  |  |
Exercisable, December 31, 201 7 |  |  | 24,000 |  |  |  | 24.15 |  |  |  | 2.24 |  |  | $ | - |
Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] |
|  | Number of RSUs and PSAs (1 ) |  |  | Weighted- Average Grant Date Fair Valu e |
Unvested RSUs and PSAs as of December 31, 201 6 |  |  | 221,791 |  |  | $ | 17.36 |
RSUs and PSAs grante d |  |  | - |  |  |  | - |
Unvested PSAs cancele d |  |  | (46,988 | ) |  |  | 43.68 |
RSUs vested |  |  | (5,220 | ) |  |  | 36.00 |
Unvested RSUs as of December 31, 201 7 |  |  | 169,583 |  |  |  | 9.50 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=27013229&loc=d3e301413-122809 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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