Note 2 - Summary of Significant Accounting Policies - Revision to Prior Year Financial Statement (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Cost of revenues | $ 34,233 | $ 27,568 |
| Gross profit | 46,882 | 39,570 |
| General and administrative | 29,023 | 25,399 |
| Total selling, general and administrative expenses | 43,357 | 39,155 |
| Provision for doubtful accounts | 37 | (218) |
| Change in accounts receivable | $ (1,560) | 1,909 |
| Previously Reported [Member] | ||
| Cost of revenues | 28,120 | |
| Gross profit | 39,018 | |
| General and administrative | 24,847 | |
| Total selling, general and administrative expenses | 38,603 | |
| Provision for doubtful accounts | 6,104 | |
| Change in accounts receivable | (4,413) | |
| Restatement Adjustment [Member] | ||
| Cost of revenues | (552) | |
| Gross profit | 552 | |
| General and administrative | 552 | |
| Total selling, general and administrative expenses | 552 | |
| Provision for doubtful accounts | (6,322) | |
| Change in accounts receivable | $ 6,322 | |
| X | ||||||||||
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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