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Note 11 - Debt (Details Textual) - USD ($) $ in Thousands									3 Months Ended				9 Months Ended
Note 11 - Debt (Details Textual) - USD ($) $ in Thousands	Mar. 22, 2023	Mar. 13, 2023	Feb. 28, 2023	Nov. 18, 2022	Nov. 16, 2022	Oct. 01, 2021	Dec. 01, 2020	Dec. 16, 2003	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Long-Term Debt, Gross									$ 43,756				$ 43,756		$ 125,308
Interest Expense, Debt									1,061		$ 2,139		5,119	$ 5,207
Gain (Loss) on Extinguishment of Debt									0		0		31,616	0
Subordinated Liabilities, Period Increase (Decrease)													55,200
Subordinated Liabilities, Extinguished										$ 56,100
Fair Value, Option, Changes in Fair Value, Loss													300
Fair Value, Option, Changes in Fair Value, Gain													1,200
Reclassification out of Accumulated Other Comprehensive Income [Member]
Gain (Loss) on Extinguishment of Debt									0		$ 0		27,177	$ 0
Subordinated Debt [Member]
Debt Instrument, Face Amount								$ 90,500
Long-Term Debt, Gross									15,000				15,000		90,500
Debt Instrument, Term (Year)								30 years
Repayments of Subordinated Debt	$ 56,500
Credit for Previous Debt Repayment	2,300
Debt Instrument, Repaid, Principal	75,500
Interest Expense, Debt	$ 23,000	$ 5,000
Gain (Loss) on Extinguishment of Debt													31,600
Debt Instrument, Principal Value									15,000				15,000
Subordinated Liabilities, Period Increase (Decrease)													900
Fair Value, Option, Changes in Fair Value, Loss													200
Fair Value, Option, Changes in Fair Value, Gain													700
Interest Payable									0				$ 0		25,500
London Interbank Offered Rate [Member] \| Subordinated Debt [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate								3.85%
London Interbank Offered Rate [Member] \| Subordinated Debt [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate								4.20%
Ravix Bank Loan [Member]
Debt Instrument, Interest Rate During Period						3.75%							9.00%
Ravix Bank Loan [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						0.50%
Ravix Bank Loan [Member] \| Ravix Financial, Inc [Member]
Debt Instrument, Face Amount						$ 6,000
Debt Issuance Costs, Net, Total						200
Ravix Bank Loan [Member] \| Ravix Financial, Inc [Member] \| Revolving Credit Facility [Member]
Long-Term Debt, Gross						$ 1,000			0				$ 0		0
Amended Ravix Bank Loan [Member] \| Ravix Financial, Inc [Member]
Debt Instrument, Face Amount					$ 6,000
Debt Instrument, Interest Rate During Period													9.25%
Debt Issuance Costs, Net, Total					$ 100
Amended Ravix Bank Loan [Member] \| Ravix Financial, Inc [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate					0.75%
Amended Ravix Bank Loan [Member] \| Ravix Financial, Inc [Member] \| Revolving Credit Facility [Member]
Long-Term Debt, Gross					$ 1,000
Amended Ravix Bank Loan [Member] \| Ravix Financial, Inc [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate					0.50%
The SNS Loan [Member] \| Nursing Service LLC [Member]
Debt Instrument, Face Amount				$ 6,500
Long-Term Debt, Gross									5,900				$ 5,900		6,400
Debt Instrument, Interest Rate During Period				5.00%									9.00%
Debt Issuance Costs, Net, Total				$ 100
The SNS Loan [Member] \| Nursing Service LLC [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate				0.50%
The SNS Loan [Member] \| Nursing Service LLC [Member] \| Revolving Credit Facility [Member]
Long-Term Debt, Gross									0				$ 0		400
Line of Credit Facility, Maximum Borrowing Capacity				$ 1,000
KWH Bank Loan [Member]
Debt Instrument, Interest Rate During Period													8.20%
Debt Instrument, LIBOR Floor							0.75%
Debt Instrument, SOFR Floor												0.75%
KWH Bank Loan [Member] \| Term Loan [Member]
Long-Term Debt, Gross									12,100				$ 12,100		16,000
KWH Bank Loan [Member] \| London Interbank Offered Rate [Member]
Debt Instrument, Basis Spread on Variable Rate							2.75%
KWH Bank Loan [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate												2.62%
KWH Bank Loan [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate												3.12%
KWH Bank Loan [Member] \| Revolving Credit Facility [Member]
Long-Term Debt, Gross									$ 500				500		$ 500
Debt Issuance Costs, Net, Total												$ 400
KWH Bank Loan [Member] \| PWI Holdings [Member]
Long-Term Debt, Gross							$ 25,700
KWH Bank Loan [Member] \| PWI Holdings [Member] \| Term Loan [Member]
Long-Term Debt, Gross							24,700
KWH Bank Loan [Member] \| PWI Holdings [Member] \| Revolving Credit Facility [Member]
Long-Term Debt, Gross							$ 1,000
Second Amendment to KWH Loan [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Face Amount			$ 10,000
Debt Instrument, Minimum Draw Amount			$ 2,000
Debt Instrument, Interest Rate, Stated Percentage			3.75%
Proceeds from Lines of Credit													$ 0