M. COMMITMENTS AND CONTINGENCIES (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2020 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of lease expense |
The components of lease expense for the years ended December 31 is as follows:
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| Other information related to leases |
Other information related to leases as of December 31 is as follows:
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| Future annual minimum operating lease payments |
Future annual minimum operating lease payments as of December 31, 2020 were as follows:
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| Sales tax accrual |
The following table sets forth the change in the sales tax accrual during the years ended December 31:
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