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Nature of the Business and Liquidity (Details)					3 Months Ended		6 Months Ended
Nature of the Business and Liquidity (Details)	Jul. 20, 2020 USD ($)	Jun. 19, 2020 USD ($) employee	May 28, 2020 USD ($)	May 15, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) product segment	Jun. 30, 2019 USD ($)	May 31, 2020 lease	May 04, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Summary of Significant Accounting Policies Details [Line Items]
Segments \| segment							1
Impairment charges					$ 0	$ 0	$ 8,373,000	$ 0
Annual salary amount, reduction in pay										$ 100,000
Number of terminated employees \| employee		53
Number of furloughed employees \| employee		15
Proceeds received under PPP				$ 3,400,000
Stated interest rate				1.00%
Number of modified leases \| lease									1
Employee base, percentage decrease in recruitment		31.00%
Employee severance costs		$ 300,000
Accumulated deficit					162,642,000		162,642,000				$ 121,474,000
Principal amount of outstanding borrowings					195,800,000		195,800,000
Cash, cash equivalents and restricted cash in the statement of cash flows					6,525,000	$ 4,799,000	6,525,000	$ 4,799,000			$ 16,182,000	$ 13,069,000
Derivative liability			$ 6,300,000		$ 5,600,000		5,600,000
Reverse stock split, conversion ratio			0.10
Executive Leadership Team
Summary of Significant Accounting Policies Details [Line Items]
Percentage of pay reduction										20000000.00%
All Employees
Summary of Significant Accounting Policies Details [Line Items]
Percentage of pay reduction										15000000.00%
Subsequent Event \| Senior Notes \| Series C Senior Convertible Notes due 2023
Summary of Significant Accounting Policies Details [Line Items]
Stated interest rate	9.50%
Face amount of the Notes	$ 13,800,000
Net cash proceeds	$ 10,000,000.0
Product acquisition costs
Summary of Significant Accounting Policies Details [Line Items]
Loss on impairment of intangible assets							3,512,000
Trademarks and Technology
Summary of Significant Accounting Policies Details [Line Items]
Impairment charges, finite-lived							$ 4,861,000
United States
Summary of Significant Accounting Policies Details [Line Items]
Generic products marketed \| product							38
Branded generic products marketed \| product							4
Canada
Summary of Significant Accounting Policies Details [Line Items]
Generic and branded products marketed \| product							36