Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2015
Goodwill and intangible assets
Goodwill	$ 19,156	$ 14,278	$ 14,278
Accumulated impairment losses	(14,278)	(14,278)
Goodwill, net	4,878		14,278
Goodwill impairment		(14,278)
Goodwill acquired (Note 3)	4,878
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount				24.70%
Other intangible assets
Gross carrying amount	8,203	1,713
Less accumulated amortization	(2,467)	(1,660)
Intangible assets, net	5,736	53
Indefinite-lived intangible assets	450
Amortization expense	800	$ 100	$ 100
Estimated amortization expense
2017	1,708,000
2018	1,090,000
2019	794,000
2020	582,000
2021	435,000
Total amortization	$ 4,609,000
Acquired FDA non-gel product approval
Other intangible assets
Average amortization period	11 years	11 years
Gross carrying amount	$ 1,713	$ 1,713
Less accumulated amortization	(1,696)	(1,660)
Intangible assets, net	$ 17	$ 53
Customer relationships
Other intangible assets
Average amortization period	9 years 6 months
Gross carrying amount	$ 4,940
Less accumulated amortization	(602)
Intangible assets, net	$ 4,338
Trade name
Other intangible assets
Average amortization period	12 years
Gross carrying amount	$ 800
Less accumulated amortization	(56)
Intangible assets, net	$ 744
Regulatory approvals
Other intangible assets
Average amortization period	1 year 2 months 1 day
Gross carrying amount	$ 670
Less accumulated amortization	(96)
Intangible assets, net	$ 574
Non-compete agreement
Other intangible assets
Average amortization period	2 years
Gross carrying amount	$ 80
Less accumulated amortization	(17)
Intangible assets, net	63
Trade name | Trade name
Other intangible assets
Indefinite-lived intangible assets	$ 450