Note 9 - Debt (Details Textual) $ in Thousands	1 Months Ended
May 31, 2020 USD ($)	Oct. 31, 2021 USD ($)
Line of Credit Facility, Maximum Borrowing Capacity		$ 2,000
Line of Credit Facility, Remaining Borrowing Capacity		$ 2,000
Line of Credit Facility, Interest Rate at Period End		3.65%
Notes Collateralized by BHCMC's Assets and Compensation Due under State Management Contract Due December 2027 [Member]
Number of Notes		1
Notes Payable, Total		$ 33,254
Debt Issuance Costs, Net, Total		$ 287
Debt Instrument, Interest Rate, Stated Percentage		5.32%
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid		$ 19,250
Notes Collateralized by BHCMC's Assets and Compensation Due under State Management Contract Due December 2025 [Member]
Number of Notes		1
Notes Payable, Total		$ 13,810
Debt Issuance Costs, Net, Total		$ 140
Debt Instrument, Interest Rate, Stated Percentage		5.83%
Notes Collateralized by Aircraft Security Agreements, Due January 2023 [Member]
Number of Notes		1
Notes Payable, Total		$ 841
Debt Instrument, Interest Rate, Stated Percentage		6.25%
Note Collateralized by Real Estate Due June 2024 [Member]
Number of Notes		1
Notes Payable, Total		$ 191
Debt Instrument, Interest Rate, Stated Percentage		6.25%
Note Collateralized by Equipment Due April 2022 [Member]
Number of Notes		1
Notes Payable, Total		$ 11
Debt Instrument, Interest Rate, Stated Percentage		4.50%
Note One Collateralized by Real Estate Due March 2029 [Member]
Notes Payable, Total		$ 1,187
Debt Instrument, Interest Rate, Stated Percentage		1.75%
Note Two Collateralized by Real Estate Due March 2029 [Member]
Notes Payable, Total		$ 544
Debt Instrument, Interest Rate, Stated Percentage		1.75%
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Long-term Debt, Total	$ 2,001

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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.

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