ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
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12 Months Ended |
Dec. 31, 2021 |
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] |
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| Schedule of useful lives of property and equipment |
Depreciation is calculated using the straight-line method over the estimated useful lives of the respective assets, as follows: | | | | | | | Furniture and office equipment | 3 - 5 years | | Machinery and equipment | 5 - 7 years | | Laboratory equipment | 3 - 5 years | | Leasehold improvements | Shorter of estimated useful life or lease term |
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| Schedule of sales and accounts receivable customer concentration risk |
The three large, national wholesale distributors represent the vast majority of the Company’s business and represented the following percentage of consolidated revenue by customer and the percentage accounts receivable by customer related to product shipments for the years ended December 31, 2021 and 2020. | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated revenue | Accounts receivable related to product sales | | 2021 | | 2020 | | 2021 | | 2020 | | Cardinal Health | 34 | % | | 42 | % | | 44 | % | | 53 | % | | McKesson Corporation | 24 | % | | 14 | % | | 23 | % | | 20 | % | | AmerisourceBergen Corporation | 26 | % | | 13 | % | | 29 | % | | 18 | % | | Collegium | — | % | | 11 | % | | — | % | | — | % | | All others | 16 | % | | 20 | % | | 4 | % | | 9 | % | | Total | 100 | % | | 100 | % | | 100 | % | | 100 | % |
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