| 
 11.Discontinued Operations 
The components of loss from discontinued operations as reported in our statements of operations were as follows: 
 
 | 
 | 
 | 
 | 
 
  | 
      | 
Year ended  | 
 
  | 
  | 
December 31,   | 
 
  | 
  | 
2020  | 
 
(In thousands, except per share data)  | 
  | 
  | 
  | 
 
Revenue:  | 
   | 
  | 
    | 
 
Product revenue  | 
  | 
$  | 
 376  | 
 
Costs and expenses:  | 
  | 
   | 
    | 
 
Cost of goods sold  | 
  | 
   | 
 1,332  | 
 
Research and development  | 
  | 
   | 
 1,917  | 
 
Selling, general and administrative  | 
  | 
   | 
 7,224  | 
 
Total costs and expenses  | 
  | 
   | 
 10,473  | 
 
Loss from discontinued operations  | 
  | 
   | 
 (10,097)  | 
 
Other expense, net  | 
  | 
   | 
 738  | 
 
Net loss from discontinued operations  | 
  | 
$  | 
 10,835  | 
 
Basic and diluted net loss per common share from discontinued operations  | 
  | 
$  | 
 (2.87)  | 
 
Weighted average shares used in computing basic and diluted net loss per common share  | 
  | 
   | 
 3,773  | 
 
 
 
The following table presents information related to assets and liabilities reported as discontinued operations in our balance sheet: 
 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
  | 
      | 
December 31,   | 
 
  | 
  | 
2021  | 
  | 
2020  | 
 
 |  
  | 
  | 
(In thousands)  | 
 
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  | 
 
 
 
During the year ended December 31, 2020 we recognized non-cash stock-based compensation expenses of approximately $0.1 million which is included in discontinued operations. 
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