v3.6.0.2

Stock repurchases (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Apr. 01, 2013
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Stock repurchases |  |
Remaining amount authorized for the share repurchase program | $ 5,180 |
Maximum |  |
Stock repurchases |  |
Amount of common stock approved by the entity for a stock repurchase program |  | $ 10,000

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