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v3.19.3.a.u2

Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total |  | $ (400) | $ (700) | $ 2,500
Foreign Currency Transaction Gain (Loss), before Tax, Total | $ (300) |  | (400) | $ 700
Contract with Customer, Liability, Total | $ 0 | $ 0 | $ 0 |
Number of Operating Segments |  | 1 |  |
Number of Reportable Segments |  | 1 |  |
Minimum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life |  | 5 years |  |
Maximum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life |  | 16 years |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | DePuy Mitek Inc [Member] |  |  |  |
Concentration Risk, Percentage |  | 70.00% | 75.00% |
DePuy Mitek Inc [Member] |  |  |  |
Revenues From Agreements as Percent of Total Revenue |  | 71.00% | 73.00% | 73.00%

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