6. Accrued Allowances (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accrued allowances consist of the following
Accrued returns allowance	$ 13,020	$ 11,896
Accrued price adjustments	43,389	44,100
Accrued government program rebates	6,074	6,682
Total	$ 62,483	$ 62,678