DEBT - Narrative (Details)	3 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2020 CAD ($)	Dec. 31, 2019 USD ($)
Line of Credit Facility [Line Items]
Line of current credit	$ 6,000,000
Line of Credit | The Bank of San Antonio | Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 8,500,000
Line of credit facility interest rate	3.50%	3.50%	5.50%
Amount outstanding			$ 0
Covenant, debt service coverage ratio required, minimum	1.25	1.25
Covenant, funded debt To EBITDA ratio, maximum	2.5	2.5
Line of Credit | HSBC Bank Canada | Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 4,500,000
Line of credit facility interest rate	2.70%	2.70%	4.20%
Amount outstanding	$ 0		$ 0
Prime Rate | Line of Credit | The Bank of San Antonio | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on prime rate	1.00%
Debt instrument floor rate	3.50%
Prime Rate | Line of Credit | HSBC Bank Canada | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on prime rate	0.25%