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DEBT (Details Narrative) $ in Thousands, $ in Thousands | Mar. 15, 2017 USD ($) | Mar. 15, 2017 CAD ($) | Apr. 30, 2016 USD ($) | Apr. 30, 2016 CAD ($)
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Canadian Credit Facilities [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum credit facilities amount to borrow |  |  | $ 6,300 |
Canadian Credit Facilities [Member] | Canada, Dollars |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum credit facilities amount to borrow |  | $ 9,200 |  | $ 8,200
Canadian Credit Facilities A [Member] | Canada, Dollars |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum credit facilities amount to borrow |  | $ 8,000 |  | 7,000
Canadian Credit Facilities B [Member] | Canada, Dollars |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum credit facilities amount to borrow |  |  |  | $ 471
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 |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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