Summary of Significant Accounting Policies (Restated) (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) product	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	$ 12,830	$ 15,709	$ 50,978	$ 48,156
Accounts payable and accrued expenses	6,200	2,900	6,200	2,900
Wholesale fees	1,500	1,500	$ 5,700	2,800
Percentage of net sales for royalty			40.00%
Assets	194,466		$ 194,466		$ 183,226	[1]
Reclassification of non-cash transactions related to capital expenditures				220
Foreign currency exchange gain	(1,744)	(364)	(6,645)	(1,295)
Decrease in other comprehensive income	(378)	282	(133)	992
Pro forma
Summary of Significant Accounting Policies Details [Line Items]
Reclassification of non-cash transactions related to capital expenditures					$ 1,800
Adjustment
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	(804)		(804)
Assets	(2,542)		(2,542)
Domestic
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	10,100	13,500	41,800	41,200
Assets	124,700	135,500	124,700	135,500
Foreign
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	2,800	2,700	9,300	7,700
Assets	$ 69,800	$ 51,700	$ 69,800	$ 51,700
Sales Revenue | Customer concentration risk | Three Customers
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk	53.00%		55.00%	40.00%
Sales Revenue | Customer concentration risk | Customer One
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk	26.00%
Sales Revenue | Customer concentration risk | Customer Two
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk	14.00%
Sales Revenue | Customer concentration risk | Customer Three
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk	13.00%
Sales Revenue | Customer concentration risk | Two Customers
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk		31.00%
Sales Revenue | Customer concentration risk | Customer Four
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk		18.00%
Sales Revenue | Customer concentration risk | Customer Five
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk		13.00%
Sales Revenue | Customer concentration risk | Customer Six
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk			26.00%
Sales Revenue | Customer concentration risk | Customer Seven
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk			15.00%
Sales Revenue | Customer concentration risk | Customer Eight
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk			14.00%
Sales Revenue | Customer concentration risk | Customer Nine
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk				19.00%
Sales Revenue | Customer concentration risk | Customer Ten
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk				11.00%
Sales Revenue | Customer concentration risk | Customer Eleven
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk				10.00%
Accounts Receivable | Customer concentration risk
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable concentration risk	87.00%	45.00%	87.00%	45.00%
Contract manufacturing sales
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	$ 1,883	$ 1,808	$ 7,707	$ 13,971
Product sales, gross	1,900	1,800	7,700	14,000
Royalty
Summary of Significant Accounting Policies Details [Line Items]
Accounts payable and accrued expenses	600	800	600	800
Royalty expense	600	900	$ 1,400	2,200
United States
Summary of Significant Accounting Policies Details [Line Items]
Products which the company pays royalties | product			4
Products manufactured, marketed and distributed | product			22
IGI Product
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	11,000	13,900	$ 43,300	34,200
Net Of SRA Balance
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable, net of SRA balances	$ 28,100	$ 26,000	$ 28,100	$ 26,000
Maximum
Summary of Significant Accounting Policies Details [Line Items]
Wholesaler percent of chargeback payments	95.00%		95.00%
Minimum
Summary of Significant Accounting Policies Details [Line Items]
Wholesaler percent of chargeback payments	90.00%		90.00%
Convertible Notes Payable
Summary of Significant Accounting Policies Details [Line Items]
Net carrying value of notes	$ 118,500		$ 118,500
Face value of notes	143,750		143,750
Classification and Translation Error | Adjustment
Summary of Significant Accounting Policies Details [Line Items]
Foreign currency exchange gain	500
Reduction to cash	300		$ 300
Decrease in other comprehensive income	$ 200

[1] Derived from the audited December 31, 2016 financial statements