Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Nov. 20, 2020
Concentration Risk [Line Items]
Restricted cash	$ 2,278	$ 1,500	$ 0
Warrants issued per share, percent				0.3333
Accounts Receivable \| Customer Concentration Risk \| Three Customers
Concentration Risk [Line Items]
Concentration risk, percentage	75.00%	84.00%
Finished Goods \| Supplier Concentration Risk \| Two Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	35.00%		40.00%
Accounts Payable \| Supplier Concentration Risk \| Two Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	30.00%		44.00%