Current and Long- Term Liabilities

6 Months Ended

Jun. 30, 2017

CURRENT AND LONG-TERM LIABILITIES

Accrued Expenses

Accrued expenses consisted of the following as of June 30, 2017 and December 31, 2016 (in thousands):



	June 30, 2017		December 31, 2016
Commercial rebates, fees and returns	$	112,926	$	89,466
Professional, license, and other fees and expenses	40,766		24,248
Research and development expenses	7,897		10,714
Intrarosa-related license fees	20,000		—
Interest expense	14,790		16,683
Salaries, bonuses, and other compensation	14,474		14,823
Restructuring expense	—		74
Total accrued expenses	$	210,853	$	156,008

Deferred Revenues

Our deferred revenue balances as of June 30, 2017 and December 31, 2016 were related to our CBR Services revenues and included: (a) amounts collected in advance of unit processing and (b) amounts associated with unearned storage fees collected at the beginning of the storage contract term, net of allocated discounts.