ACQUISITIONS (Summary of Preliminary Purchase Price Allocation) (Details) £ in Millions					1 Months Ended		3 Months Ended
	Apr. 12, 2019 USD ($)	Mar. 19, 2019 USD ($)	Feb. 25, 2019 USD ($)	Feb. 25, 2019 GBP (£)	May 31, 2019 USD ($)	Feb. 28, 2019 USD ($)	May 31, 2019 USD ($)
Business Acquisition [Line Items]
Net cash paid							$ 63,010,000
Fair value of net assets and liabilities assumed:
Goodwill					$ 103,154,000	$ 80,805,000	103,154,000
Tracker UK [Member]
Business Acquisition [Line Items]
Purchase price			$ 13,100,000	£ 10.0			13,097,000
Less cash acquired							(66,000)
Net cash paid							13,031,000
Less amount released from escrow							(973,000)
Net consideration							12,058,000
Fair value of net assets and liabilities assumed:
Current assets other than cash					3,549,000		3,549,000
Property and equipment					1,835,000		1,835,000
Other non-current assets					104,000		104,000
Current liabilities					(3,111,000)		(3,111,000)
Deferred revenue					(3,162,000)		(3,162,000)
Deferred tax liability					(963,000)		(963,000)
Other non-current liabilities					(201,000)		(201,000)
Total fair value of net assets acquired					4,589,000		4,589,000
Goodwill					7,469,000		7,469,000
LoJack Mexico [Member]
Business Acquisition [Line Items]
Purchase price							14,306,000
Less cash acquired							(1,586,000)
Net cash paid		$ 14,300,000			1,700,000	$ 2,021,000	12,720,000
Net consideration							12,720,000
Add previously held interest							2,021,000
Fair value of net assets and liabilities assumed:
Current assets other than cash					4,485,000		4,485,000
Property and equipment					4,425,000		4,425,000
Other non-current assets					1,301,000		1,301,000
Current liabilities					(2,361,000)		(2,361,000)
Deferred revenue					(4,507,000)		(4,507,000)
Deferred tax liability					(1,039,000)		(1,039,000)
Total fair value of net assets acquired					9,304,000		9,304,000
Goodwill					5,437,000		5,437,000
Synovia [Member]
Business Acquisition [Line Items]
Purchase price	$ 49,800,000						29,500,000
Add debt paid at closing							20,296,000
Less cash acquired							(1,396,000)
Net cash paid	$ 49,800,000						48,400,000
Net consideration							48,400,000
Fair value of net assets and liabilities assumed:
Current assets other than cash					10,354,000		10,354,000
Property and equipment					22,449,000		22,449,000
Deferred tax assets					5,643,000		5,643,000
Current liabilities					(4,959,000)		(4,959,000)
Due to factors					(19,832,000)		(19,832,000)
Deferred revenue					(4,319,000)		(4,319,000)
Total fair value of net assets acquired					31,436,000		31,436,000
Goodwill					16,964,000		16,964,000
Dealer Relationships [Member] | Tracker UK [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					2,354,000		2,354,000
Dealer Relationships [Member] | LoJack Mexico [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					7,000,000		7,000,000
Dealer Relationships [Member] | Synovia [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					16,700,000		16,700,000
Trade Names [Member] | Tracker UK [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					2,354,000		2,354,000
Trade Names [Member] | Synovia [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					1,600,000		1,600,000
Developed Technology [Member] | Tracker UK [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					1,830,000		1,830,000
Developed Technology [Member] | Synovia [Member]
Fair value of net assets and liabilities assumed:
Finite-lived intangible assets					$ 3,800,000		$ 3,800,000