INCOME TAXES - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Deferred Revenue	$ 409	$ 317
Inventory	235	343
Accrued expenses	1,352	1,034
Net operating loss	5,310	7,078
Lease liability	242	296
Other	3,436	4,615
Other	664	443
Total deferred tax assets	12,411	15,048
Valuation allowance	(7,934)	(11,933)
Total deferred tax assets, net of valuation allowance	4,477	3,115
Deferred tax liabilities:
Prepaid expenses	111	131
Deferred commissions	450	305
Internally-developed software	104	237
Deferred Tax Liabilities, Leasing Arrangements	717	884
Lease assets	270	383
Deferred Tax Liabilities, Gross	1,652	1,940
Net deferred tax assets	2,825	1,175
Operating Loss Carryforwards [Line Items]
Deferred Tax Asset, Lease Liability	763	922
Deferred Tax Assets, Valuation Allowance Foreign Tax Carryforwards	2,700
AUSTRALIA
Deferred tax assets:
Valuation allowance	0	(200)
Operating Loss Carryforwards [Line Items]
Gross NOL	148
Tax Effected NOL	44
BERMUDA
Operating Loss Carryforwards [Line Items]
Gross NOL	63
Tax Effected NOL	0
CHINA
Deferred tax assets:
Valuation allowance	(500)	(400)
Operating Loss Carryforwards [Line Items]
Gross NOL	606
Tax Effected NOL	151
Gibraltar
Operating Loss Carryforwards [Line Items]
Gross NOL	216
Tax Effected NOL	0
Mexico
Deferred tax assets:
Valuation allowance	(1,900)	(3,100)
Operating Loss Carryforwards [Line Items]
Gross NOL	6,313
Tax Effected NOL	1,894
Norway
Deferred tax assets:
Valuation allowance	(100)	(100)
Operating Loss Carryforwards [Line Items]
Gross NOL	310
Tax Effected NOL	68
Russia
Operating Loss Carryforwards [Line Items]
Gross NOL	8
Tax Effected NOL	2
Singapore
Operating Loss Carryforwards [Line Items]
Gross NOL	147
Tax Effected NOL	25
Norway
Deferred tax assets:
Valuation allowance	(200)	(200)
Operating Loss Carryforwards [Line Items]
Gross NOL	646
Tax Effected NOL	181
Sweden
Operating Loss Carryforwards [Line Items]
Gross NOL	456
Tax Effected NOL	94
Switzerland
Deferred tax assets:
Valuation allowance	(500)	(500)
Operating Loss Carryforwards [Line Items]
Gross NOL	6,765
Tax Effected NOL	622
Taiwan
Deferred tax assets:
Valuation allowance	(600)	(1,100)
Operating Loss Carryforwards [Line Items]
Gross NOL	3,422
Tax Effected NOL	684
Taiwan
Operating Loss Carryforwards [Line Items]
Gross NOL	9
Tax Effected NOL	2
United Kingdom
Deferred tax assets:
Valuation allowance	(3,400)	(5,500)
Operating Loss Carryforwards [Line Items]
Gross NOL	13,574
Tax Effected NOL	812
United States - State
Operating Loss Carryforwards [Line Items]
Gross NOL	339
Tax Effected NOL	64
CYPRUS
Deferred tax assets:
Valuation allowance	(200)	(200)
Operating Loss Carryforwards [Line Items]
Gross NOL	1,371
Tax Effected NOL	171
COLOMBIA
Deferred tax assets:
Valuation allowance	(500)	$ (600)
Operating Loss Carryforwards [Line Items]
Gross NOL	1,654
Tax Effected NOL	$ 496