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Note 2 - Summary of Significant Accounting Policies - Summary of Product Sales Allowance (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($)
Balance | $ 342
Provision | 19,252
Payments/credits | (10,275)
Balance | 9,319
Allowance for Sales Returns [Member] |
Balance | 49
Provision | 473
Payments/credits | (1)
Balance | 521
Allowance for Distributor Fees [Member] |
Balance | 72
Provision | 2,027
Payments/credits | (1,519)
Balance | 580
Allowance for Rebates and Chargebacks [Member] |
Balance | 221
Provision | 16,752
Payments/credits | (8,755)
Balance | $ 8,218

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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from provisions of amounts previously written off or reestablishment of reserves that had previously been utilized. + References No definition available. + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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