Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) product	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	$ 18,295	$ 17,025	$ 38,148	$ 32,447
Accounts payable and accrued expenses	5,500	1,900	5,500	1,900
Wholesale fees	2,000	$ 700	$ 4,200	1,300
Percentage of net sales for royalty			40.00%
Assets	196,385		$ 196,385		$ 183,226	[1]
Reclassification of non-cash transactions related to capital expenditures				$ 3,000
Pro forma
Summary of Significant Accounting Policies Details [Line Items]
Reclassification of non-cash transactions related to capital expenditures					$ 1,800
Domestic
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	14,800		31,800
Assets	127,400		127,400
Foreign
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	3,600		6,500
Assets	$ 69,000		$ 69,000
Sales Revenue | Customer concentration risk | Three Customers
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk	55.00%		57.00%
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	17.00%
Sales Revenue | Customer concentration risk | Customer Three
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk	12.00%
Sales Revenue | Customer concentration risk | Two Customers
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk		29.00%		35.00%
Sales Revenue | Customer concentration risk | Customer Four
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk		12.00%
Sales Revenue | Customer concentration risk | Customer Five
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk		17.00%
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			16.00%
Sales Revenue | Customer concentration risk | Customer Eight
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk			15.00%
Accounts Receivable | Customer concentration risk
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable concentration risk	82.00%	29.00%	82.00%	29.00%
Contract manufacturing sales
Summary of Significant Accounting Policies Details [Line Items]
Product sales, net	$ 2,407	$ 5,932	$ 5,824	$ 12,163
Product sales, gross	2,400	5,900	5,800	12,200
Royalty
Summary of Significant Accounting Policies Details [Line Items]
Accounts payable and accrued expenses	400	600	400	600
Royalty expense	400	800	$ 900	1,300
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	15,900	11,100	$ 32,300	20,300
Net Of SRA Balance
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable, net of SRA balances	$ 30,900	$ 14,600	$ 30,900	$ 14,600
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	$ 116,000		$ 116,000
Face value of notes	$ 143,750		$ 143,750

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