7. Accrued Allowances (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accrued allowances consist of the following
Accrued returns allowance	$ 25,218	$ 21,681
Accrued price adjustments	11,450	10,766
Accrued managed care rebates	11,358	17,221
Accrued government program rebates	5,994	6,641
Total	$ 54,020	$ 56,309