7. Accrued Allowances (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Accrued allowances consist of the following
Accrued returns allowance	$ 24,468	$ 21,681
Accrued managed care rebates	15,454	17,221
Accrued price adjustments	14,007	10,766
Accrued government program rebates	6,326	6,641
Total	$ 60,255	$ 56,309