Note 9 - Debt (Details Textual) $ in Thousands	1 Months Ended
May 31, 2020 USD ($)	Jan. 31, 2022 USD ($)
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		$ 32,828
Debt Issuance Costs, Net, Total		$ 276
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		$ 13,211
Debt Issuance Costs, Net, Total		$ 133
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		$ 689
Debt Instrument, Interest Rate, Stated Percentage		6.25%
Note Collateralized by Real Estate Due June 2024 [Member]
Number of Notes		1
Notes Payable, Total		$ 186
Debt Instrument, Interest Rate, Stated Percentage		6.25%
Note Collateralized by Equipment Due April 2022 [Member]
Number of Notes		1
Notes Payable, Total		$ 6
Debt Instrument, Interest Rate, Stated Percentage		4.50%
Note One Collateralized by Real Estate Due March 2029 [Member]
Notes Payable, Total		$ 1,147
Debt Instrument, Interest Rate, Stated Percentage		1.75%
Note Two Collateralized by Real Estate Due March 2029 [Member]
Notes Payable, Total		$ 526
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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Contractual interest rate for funds borrowed, under the debt agreement.

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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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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.

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