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Note 7 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | Years Ended December 31, |
|  | 2018 |  |  | 2017 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | - |  |  | $ | - |
State |  |  | - |  |  |  | - |
Foreign |  |  | 257 |  |  |  | 300 |
|  |  | 257 |  |  |  | 300 |
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | (18,514 | ) |  |  | (1,717 | )
State |  |  | - |  |  |  | 55 |
Foreign |  |  | (129 | ) |  |  | (7 | )
|  |  | (18,643 | ) |  |  | (1,669 | )
Total income tax provision |  | $ | (18,386 | ) |  | $ | (1,369 | )
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | Years Ended December 31, |
|  | 2018 |  |  | 2017 |
Deferred Tax Assets: |  |  |  |  |  |  |  |
Property, Plant and Equipment |  | $ | 168 |  |  | $ | 44 |
Net Operating Loss Carryforwards |  |  | 15,622 |  |  |  | 16,838 |
Tax Credit Carryforwards |  |  | 1,817 |  |  |  | 1,837 |
Intangible Assets |  |  | 1,231 |  |  |  | 1,535 |
Accrued Expenses, Reserves and Other |  |  | 1,838 |  |  |  | 1,359 |
Total Deferred Tax Assets |  |  | 20,676 |  |  |  | 21,613 |
Valuation Allowance for Deferred Tax Assets |  |  | (1,942 | ) |  |  | (21,604 | )
Net Deferred Tax Assets |  |  | 18,734 |  |  |  | 9 |
Deferred Tax Liabilities: |  |  |  |  |  |  |  |
Other |  |  | (25 | ) |  |  | (38 | )
Intangible Assets |  |  | (3,856 | ) |  |  | (3,806 | )
Total Deferred Tax Liabilities |  |  | (3,881 | ) |  |  | (3,844 | )
Net Deferred Tax Assets (Liabilities) |  | $ | 14,853 |  |  | $ | (3,835 | )
Schedule of Net Deferred Tax Liabilities [Table Text Block] | <div style="display: inline; font-family: times new roman; font-size: 10pt"><table border="0" cellpadding="0" cellspacing="0" style="margin-right: 15%; margin-left: 54pt; font-size: 10pt; font-family: "Times New Roman", Times, serif; text-indent: 0px; min-; min-width: 700px;"> <tr style="vertical-align: bottom;"> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td colspan="6" style="text-align: center; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"> <div style=" font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><div style="display: inline; font-weight: bold;"><div style="display: inline; font-weight: bold;">Years Ended December 31,</div></div></div> </td> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> </tr> <tr style="vertical-align: bottom;"> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td colspan="2" style="text-align: center; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <div style=" font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><div style="display: inline; font-weight: bold;"><div style="display: inline; font-weight: bold;">2018</div></div></div> </td> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td colspan="2" style="text-align: center; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"> <div style=" font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><div style="display: inline; font-weight: bold;"><div style="display: inline; font-weight: bold;">2017</div></div></div> </td> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; padding-bottom: 1px;"> </td> </tr> <tr style="vertical-align: bottom;"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr style="vertical-align: bottom; background-color: rgb(204, 238, 255);"> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 64%;"> <div style=" font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Deferred Tax Assets</div> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">$</td> <td style="width: 15%; text-align: right; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">15,444</div></td> <td nowrap="nowrap" style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">$</td> <td style="width: 15%; text-align: right; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">32</div></td> <td nowrap="nowrap" style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"> </td> </tr> <tr style="vertical-align: bottom; background-color: rgb(255, 255, 255);"> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> <div style=" font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Deferred Tax Liabilities</div> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td> <td style="width: 15%; text-align: right; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">(591</div></td> <td nowrap="nowrap" style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; border-bottom: 1px solid rgb(0, 0, 0);"> </td> <td style="width: 15%; text-align: right; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 1px solid rgb(0, 0, 0);"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">(3,867</div></td> <td nowrap="nowrap" style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 1px;">)</td> </tr> <tr style="vertical-align: bottom; background-color: rgb(204, 238, 255);"> <td style="font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td> <td style="width: 15%; text-align: right; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">14,853</div></td> <td nowrap="nowrap" style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; padding-bottom: 3px; margin-left: 0pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td> <td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);">$</td> <td style="width: 15%; text-align: right; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; border-bottom: 3px double rgb(0, 0, 0);"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">(3,835</div></td> <td nowrap="nowrap" style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; padding-bottom: 3px;">)</td> </tr> </table></div>
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | Years Ended December 31, |
|  | 2018 |  |  | 2017 |
United States |  | $ | 6,226 |  |  | $ | 4,831 |
Foreign |  |  | 387 |  |  |  | 1,464 |
|  | $ | 6,613 |  |  | $ | 6,295 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Years Ended December 31, |
|  | 2018 |  |  | 2017 |
Statutory Income Tax Rate |  |  | 21 | % |  |  | 34 | %
(Increase) Decrease in Tax Provision Resulting From: |  |  |  |  |  |  |  |
Equity Compensation |  |  | (2.9 | ) |  |  | 0.7 |
Income Tax Credits |  |  | (1.0 | ) |  |  | (0.9 | )
Foreign Tax Rates |  |  | 0.3 |  |  |  | (3.8 | )
Valuation Allowance |  |  | (297.3 | ) |  |  | (20.9 | )
Tax Rate Change |  |  | - |  |  |  | (30.8 | )
Other |  |  | 2.0 |  |  |  | (0.1 | )
Effective Income Tax Rate |  |  | (277.9 | )% |  |  | (21.8 | )%

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