10. Accrued Allowances (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accrued allowances consist of the following
Accrued returns allowance	$ 18,314	$ 11,896
Accrued price adjustments	35,234	44,100
Accrued government program rebates	7,413	6,682
Total	$ 60,961	$ 62,678