Summary of Significant Accounting Policies (Details Textual)	3 Months Ended								12 Months Ended
	Dec. 31, 2017 USD ($) derivative	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) derivative	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2017 USD ($) derivative product	Dec. 31, 2016 USD ($) derivative	Dec. 31, 2015 USD ($)
Summary of Significant Accounting Policies Details [Line Items]
Accounts payable and accrued liabilities	$ 7,000,000				$ 3,500,000				$ 7,000,000	$ 3,500,000
Wholesaler fees									$ 7,000,000	3,700,000	$ 6,300,000
Percentage of net sales for royalty									40.00%
Royalties	856,000				843,000				$ 856,000	843,000
Royalty expense									2,200,000	3,000,000	3,600,000
Revenues	16,101,000	$ 12,851,000	$ 18,408,000	$ 19,891,000	17,935,000	$ 16,151,000	$ 17,138,000	$ 15,657,000	67,251,000	66,881,000	44,250,000
Assets	189,986,000				183,226,000				189,986,000	183,226,000
Impairments									0
Goodwill	471,000				$ 446,000				471,000	446,000	426,000
Foreign currency									7,700,000
Unrecognized tax benefits	0								0
Unrecognized tax benefits that would impact effective tax rate	$ 0								0
Shipping and handling costs									$ 1,200,000	$ 700,000	$ 200,000
Number of derivatives | derivative	0				0				0	0
Net sales revenue
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk									57.00%	43.00%	52.00%
Accounts receivable
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk									76.00%	81.00%	83.00%
Customer one | Sales
Summary of Significant Accounting Policies Details [Line Items]
Sales revenue									$ 18,700,000	$ 13,500,000	$ 12,300,000
Customer one | Accounts receivable
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable net					$ 0.20					0.20	0.43
Concentration risk									47.00%
Customer two | Sales
Summary of Significant Accounting Policies Details [Line Items]
Sales revenue									$ 9,900,000	8,600,000	5,800,000
Customer two | Accounts receivable
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable net					0.56					0.56	0.33
Concentration risk									15.00%
Customer three | Sales
Summary of Significant Accounting Policies Details [Line Items]
Sales revenue									$ 9,600,000	6,800,000	6,500,000
Customer three | Accounts receivable
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable net					0.11					0.11	$ 0.06
Concentration risk									14.00%
Maximum
Summary of Significant Accounting Policies Details [Line Items]
Wholesaler percent of chargeback payments	95.00%								95.00%
Intangible assets useful life									15 years
Minimum
Summary of Significant Accounting Policies Details [Line Items]
Wholesaler percent of chargeback payments	90.00%								90.00%
Intangible assets useful life									10 years
Net Of SRA Balance
Summary of Significant Accounting Policies Details [Line Items]
Accounts receivable net	$ 28,500,000				41,500,000				$ 28,500,000	$ 41,500,000
US
Summary of Significant Accounting Policies Details [Line Items]
Products which the company pays royalties | product									4
Products manufactured, marketed, and distributed | product									29
Contract Services
Summary of Significant Accounting Policies Details [Line Items]
Terms of customer credit									30 days
Wholesalers, Distributors, National Retail Chains | Maximum
Summary of Significant Accounting Policies Details [Line Items]
Terms of customer credit									90 days
Wholesalers, Distributors, National Retail Chains | Minimum
Summary of Significant Accounting Policies Details [Line Items]
Terms of customer credit									60 days
Econazole Nitrate Cream | Product Concentration Risk | Net sales revenue
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk									4.00%	8.00%	45.00%
Lidocaine Ointment | Product Concentration Risk | Net sales revenue
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk									17.00%	23.00%
Zantac Injection | Product Concentration Risk | Net sales revenue
Summary of Significant Accounting Policies Details [Line Items]
Concentration risk									10.00%	3.00%	0.00%
Domestic
Summary of Significant Accounting Policies Details [Line Items]
Revenues									$ 53,500,000	$ 56,100,000	$ 42,700,000
Assets	117,700,000				120,000,000				117,700,000	120,000,000	129,000,000
Foreign
Summary of Significant Accounting Policies Details [Line Items]
Revenues									13,800,000	10,800,000	1,600,000
Assets	72,300,000				63,200,000				72,300,000	63,200,000	$ 51,700,000
Other Assets
Summary of Significant Accounting Policies Details [Line Items]
Restricted cash	$ 500,000				$ 500,000				$ 500,000	500,000
Adjustment
Summary of Significant Accounting Policies Details [Line Items]
Net Cash Provided by (Used in) Operating Activities										1,900,000
Net Cash Provided by (Used in) Investing Activities										$ 1,900,000