Note 5 - Debt (Details Textual) $ in Thousands	Jul. 31, 2017 USD ($)
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000
Line of Credit Facility, Remaining Borrowing Capacity	2,500
Notes Collateralized by Aircraft Security Agreements [Member]
Notes Payable	$ 395
Number of Notes	2
Notes Payable to Bank [Member]
Notes Payable	$ 495
Number of Notes	3
Notes for Real Estate [Member]
Notes Payable	$ 271
Number of Notes	1
Note for Equipment [Member]
Notes Payable	$ 94
Number of Notes	1
BHCMC Lottery Gaming Machines [Member]
Notes Payable	$ 484
Note Collateralized by BNSC Assets and Compensation Due under State Management Contract [Member]
Notes Payable	$ 3,291
Number of Notes	1

Represents the number of notes.

No definition available.

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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

+ Details

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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