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DEBT - Debt Obligations (Details) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Jun. 10, 2021 USD ($) D	Jul. 31, 2021	Jan. 31, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)	Jun. 09, 2021 $ / shares shares	Mar. 31, 2021 USD ($)	Dec. 01, 2020 $ / shares shares	Jun. 30, 2020 $ / shares	Apr. 30, 2020 USD ($) $ / shares shares	Nov. 22, 2019 $ / shares
Debt
Face amount											$ 1,700
Total debt				$ 13,684	$ 6,351
Less: current portion of debt				(515)	(4,100)
Long-term debt				13,169	2,251
Common share purchase warrants \| shares							275,000
Shares per warrant \| shares							1		1
Warrant exercise price (in dollars per share) \| $ / shares							$ 7.55		$ 3.90	$ 5.65	$ 5.00
Term of warrants							48 months		5 years
Central Bank line of credit
Debt
Maximum borrowing capacity			$ 1,000			$ 1,000
Interest expense				99	138
Senior Term Loan
Debt
Maximum borrowing capacity	$ 6,000
Senior Revolving Loan
Debt
Maximum borrowing capacity	$ 2,000
Number of business days prior to written notice of prepayment \| D	10
Minimum prepayment advances outstanding	$ 250
Percentage of aggregate advances outstanding	25.00%
Term of of written notice of company's intention to prepay	30 days
Term of interest	12 months
Senior Term Acquisition Line
Debt
Maximum borrowing capacity	$ 3,000
Central Bank Debt PPP promissory note
Debt
Total				1,687	4,100
Paycheck Protection Program, CARES Act
Debt
Face amount								$ 1,700
Total debt				1,687
Face value of debt				1,687
Centurion debenture
Debt
Less: fair value ascribed to conversion feature and warrants				(1,204)
Plus: accretion of implied interest				176
Less: net debt issuance costs				(547)
Total debt				9,425
Face value of debt				11,000
Commitment fee (in percent)	2.25%
Commitment fee	$ 248
Interest expense				456
Debenture with Maturity Date of June 9, 2025
Debt
Face amount	$ 11,000
Bearing interest rate	9.50%
Interest rate during period		1.50%
Interest on over due interest	3.00%
LIBOR \| Central Bank line of credit
Debt
Variable rate			3.50%
Royal Bank of Canada Prime Rate \| Central Bank line of credit
Debt
Variable rate						3.50%
Royal Bank of Canada Prime Rate \| Debenture with Maturity Date of June 9, 2025
Debt
Variable rate	7.05%
Central Bank \| Central Bank line of credit
Debt
Total					1,978
Promissory note \| Central Bank
Debt
Total					2,122
Convertible Debt
Debt
Total				2,572	2,251
Face amount				3,450	3,450
Less: principal converted to common shares				(60)
Less: fair value ascribed to conversion feature and warrants				(1,523)	(1,523)
Plus: accretion of implied interest				705	324
Total debt				2,572
Face value of debt				3,390
Bearing interest rate											9.00%	9.00%
Common share purchase warrants \| shares											72
Warrant exercise price (in dollars per share) \| $ / shares											$ 9.50	$ 9.50
Term of warrants											3 years
Interest expense				$ 474	$ 286