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ACCRUED LIABILITIES
3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES ACCRUED LIABILITIES
Other accrued liabilities consisted of the following:

March 31, 2022December 31, 2021
Legal & Professional Fees534,583 1,457,727 
Payroll & Taxes— 73,819 
Shipping & Handling82,449 230,779 
Interest expense800,413 79,267 
Sales & Use Taxes4,529,524 2,609,664 
Upcharge penalties reserve420,126 420,126 
Prepaid Insurance8,075 — 
Rent & Taxes29,340 — 
Accrued miscellaneous expenses94,990 182,575 
Fuel101,167 — 
Lease expense1
756,870 — 
Total$7,357,537 $5,053,957 
1 Lease expense includes the profit shared in accordance with our Hosting Services Agreement discussed in "Note 28 - Hosting Services Agreement". Lease expense is recorded in Operations and maintenance expense on the consolidated statements of operations.