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Accrued expenses and other current liabilities (Tables)
6 Months Ended
Jun. 30, 2022
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following (in thousands):
June 30,December 31,
20222021
Accrued expenses$6,495 $7,326 
Indirect tax reserves16,138 18,392 
Indirect tax payables7,616 10,786 
Deferred rent, current— 803 
Other current liabilities3,471 2,833 
Accrued expenses and other current liabilities$33,720 $40,140 
Schedule of Changes to the Withholding Tax Reserve
Changes to the instructor withholding tax reserve are as follows (in thousands):

Three Months Ended June 30,Six Months Ended June 30,
2022202120222021
Balance, beginning of period$15,693 $22,334 $17,036 $22,166 
Amounts charged to (released from) expense157 200 (1,186)368 
Net payments and settlements— — — — 
Balance, end of period$15,850 $22,534 $15,850 $22,534