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Schedule of Unrecognized Tax Benefits (Details) | 12 Months Ended
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Dec. 31, 2020 USD ($)
Income Tax Disclosure [Abstract] |
Beginning balance at January 1, 2020 | $ 1,019,000
Decreases in UTBs taken in prior years | (32,000)
Decreases in UTBs taken in current years | 77,000
Ending balance at December 31, 2020 | $ 1,064,000

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