Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
 1 Months Ended 12 Months Ended
Mar. 30, 2022
Mar. 25, 2022
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Cash in excess of FDIC limits       $ 1,000,000  
Restricted cash       0 $ 501,000
Negative operating cash flow       7,485,000 7,300,000
Accumulated deficit       79,475,000 63,921,000
Proceeds from debt       0 2,906,000
Cash       $ 1,400,000 1,600,000
Cash equivalents         2,400,000
Threshold for determining delinquent accounts receivable       30 days  
Allowance for doubtful accounts       $ 500,000 600,000
Goodwill, impairment       $ 2,788,000 0
Useful Life (Years)       5 years  
Product sales, net       $ 20,048,000 24,429,000
Matching contribution to 401(k) plan         100,000
Research and development       1,185,000 2,943,000
Advertising costs       1,300,000 1,300,000
In-process research and development          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Impairment of intangible assets, finite-lived       $ 2,245,000 0
Subsequent Event          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Proceeds from issuance of preferred stock $ 700,000        
CARES act, tax credit received under relief provision     $ 2,000,000    
Equity Option          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Stock option, maximum term       10 years  
Equity Option | Minimum          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Award vesting period       2 years  
Equity Option | Maximum          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Award vesting period       4 years  
Consumer Products Segment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Research and development       $ 492,000 678,000
Specialty Pharmaceutical Segment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Research and development       700,000 2,200,000
Shipping and Handling          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Shipping and handling costs       1,800,000 1,700,000
Product sales, net       100,000 200,000
Convertible Debt | Convertible Debt Due 2022 | Subsequent Event          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Proceeds from debt   $ 1,060,000.00 $ 1,000,000    
Level 1          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Money market funds classified as cash and cash equivalents         2,400,000
Restricted cash       0 0
Liabilities       0 0
Level 2          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Liabilities       0 0
Assets       0 0
Level 3          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Liabilities       0 0
Assets       $ 0 $ 0