Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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PREPAID EXPENSES AND OTHER CURRENT ASSETS - Narrative (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020	Jul. 31, 2020	Jul. 31, 2019
Short-term Debt [Line Items]
Note payable	$ 0	$ 477,028
Note Payable
Short-term Debt [Line Items]
Principal amount			$ 900,000	$ 900,000
Interest rate			2.49%	4.61%