Borrowings (Details) $ in Thousands | Jul. 31, 2016USD ($)Note |
Bank Line of Credit due August 2015 [Member] | |
Debt Instrument [Line Items] | |
Number of lines of credit | Note | 1 |
Unused line | $ 967,000 |
Line of Credit Facility, Maximum Borrowing Capacity | 5,000 |
Line of credit facility borrowing capacity | $ 5,000 |
Line of Credit 1 [Member] | |
Debt Instrument [Line Items] | |
Number of lines of credit | Note | 1 |
Line of Credit Facility, Maximum Borrowing Capacity | $ 1,000 |
Line of credit facility borrowing capacity | $ 1,000 |
Line of Credit 2 [Member] | |
Debt Instrument [Line Items] | |
Number of lines of credit | Note | 1 |
Line of Credit Facility, Maximum Borrowing Capacity | $ 2,500 |
Line of credit facility borrowing capacity | $ 2,500 |
Line of Credit 3 [Member] | |
Debt Instrument [Line Items] | |
Number of lines of credit | Note | 1 |
Line of Credit Facility, Maximum Borrowing Capacity | $ 1,000 |
Line of credit facility borrowing capacity | 1,000 |
Notes Collateralized by Aircraft Security Agreements [Member] | |
Debt Instrument [Line Items] | |
Notes payable | 700 |
Notes Payable to Bank [Member] | |
Debt Instrument [Line Items] | |
Notes payable | $ 785 |
Number of notes | Note | 3 |
Notes for Real Estate [Member] | |
Debt Instrument [Line Items] | |
Notes payable | $ 287 |
Number of notes | Note | 1 |
BHCMC Lottery Gaming Machines [Member] | |
Debt Instrument [Line Items] | |
Notes payable | $ 901 |
Number of notes | Note | 1 |
Second Obligation With BHCI [Member] | |
Debt Instrument [Line Items] | |
Notes payable | $ 1,557 |
Number of notes | Note | 1 |
Face value of note entered | $ 2,500 |
Second BHCI Obligation Payment | $ 55 |
Obligation With BHCI [Member] | |
Debt Instrument [Line Items] | |
Number of notes | Note | 1 |
First Obligation With BHCI [Member] | |
Debt Instrument [Line Items] | |
Face value of note entered | |
First BHCI Obligation Payment | |
Note collateralized by BNSC's assets and compensation due under State Mgmt Contract [Member] | |
Debt Instrument [Line Items] | |
Notes payable | $ 4,346 |