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Note 2 - Significant Accounting Policies (Details Textual) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) | Jan. 01, 2018 USD ($) | Dec. 31, 2017 USD ($)
Number of Operating Segments |  | 2 |  |  |
Capitalized Contract Cost, Net, Total |  | $ 1,390 | $ 1,400 |  |
Retained Earnings (Accumulated Deficit), Ending Balance |  | 60,810 |  | $ 42,676 | [1]
Deferred Tax Liabilities, Net, Noncurrent | [1] | 20,925 |  | $ 19,834 |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] |  |  |  |  |
Capitalized Contract Cost, Net, Total |  | (1,390) |  |  |
Retained Earnings (Accumulated Deficit), Ending Balance |  | (1,052) | (1,100) |  |
Deferred Tax Liabilities, Net, Noncurrent |  | $ (338) | $ (300) |  |
[1] | The Company has initially applied ASC 2014-09 (Topic 606) using the modified retrospective method. Under this method, the comparative information is not restated.

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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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