GKCE ACQUISITION - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Jun. 12, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
First working capital payment				$ 43
Payments to acquire asset				214
Estimated subsequent working capital payment for acquisition				$ 154
GKCE acquisition
Business Acquisition [Line Items]
Asset acquisition, percentage of shares acquired	98.00%			99.30%
Asset acquisition, percentage of shares remaining	0.70%
Fair value of noncontrolling interest	$ 58
Percentage of outstanding shares	100.00%
Consideration allocated to assets acquired and liabilities assumed	$ 2,883
Base purchase consideration	2,000
Payments for asset acquisitions	575
Asset acquisition, transaction costs	1,425
First working capital payment	515
Additional consideration transferred	368
Accounts receivable	854			$ 27
Liabilities assumed	491			13
Increase in amount of contingent consideration				$ 14
Acquisition related costs		$ 69	$ 93
GKCE acquisition | Purchased intangible assets
Business Acquisition [Line Items]
Purchased intangible assets	$ 78