Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Assets and liabilities reported as discontinued operations in balance sheet (Details)

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Discontinued Operations - Assets and liabilities reported as discontinued operations in balance sheet (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Discontinued operations - current assets $ 12 $ 181
Discontinued operations - current liabilities 1,144 1,960
U.S. commercialization activities | Discontinued operations    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Prepaid expenses and other current assets 12 181
Discontinued operations - current assets 12 181
Accounts payable 782 1,515
Accrued clinical trials expenses   80
Accrued sales allowances   61
Other accrued liabilities 362 304
Discontinued operations - current liabilities 1,144 1,960
Non-cash stock-based compensation expenses $ 100 $ 100