DEBT (Details Narrative) $ in Thousands, $ in Thousands	Mar. 15, 2017 USD ($)	Mar. 15, 2017 CAD ($)	Apr. 30, 2016 USD ($)	Apr. 30, 2016 CAD ($)
Canadian Credit Facilities [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow			$ 6,300
Canadian Credit Facilities C [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow			712
U.S. Credit Facilities [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow	$ 20,100		19,100
U.S. Credit Facilities A [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow	$ 15,000		14,000
U.S. Credit Facilities B [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow			5,000
U.S. Credit Facility - MasterCard [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow			$ 100
Canada, Dollars | Canadian Credit Facilities [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow		$ 9,200		$ 8,200
Canada, Dollars | Canadian Credit Facilities A [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow		$ 8,000		7,000
Canada, Dollars | Canadian Credit Facilities B [Member]
Debt Instrument [Line Items]
Maximum credit facilities amount to borrow				$ 471