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Note 12 - Debt (Details Textual) - USD ($) $ in Thousands											2 Months Ended	3 Months Ended		12 Months Ended
		Oct. 26, 2023	Mar. 13, 2023	Mar. 02, 2023	Feb. 28, 2023	Nov. 18, 2022	Nov. 16, 2022	Oct. 01, 2021	Dec. 01, 2020	Dec. 16, 2003	Feb. 28, 2023	Mar. 31, 2024	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Long-Term Debt, Gross														$ 46,296	$ 125,308
Interest Expense, Debt														6,250	8,092
Gain (Loss) on Extinguishment of Debt														31,616	0
Subordinated Liabilities, Period Increase (Decrease)														54,200	6,800
Subordinated Liabilities, Extinguished														56,100
Fair Value, Option, Changes in Fair Value, Loss														300
Fair Value, Option, Changes in Fair Value, Gain														2,200
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, before Tax	[1]													(1,836)	(1,930)
Fair Value, Option, Changes in Fair Value, Gain (Loss)														(68)	(4,908)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Gain (Loss) on Extinguishment of Debt														27,177	0
Subordinated Debt [Member]
Debt Instrument, Face Amount										$ 90,500
Long-Term Debt, Gross														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			$ 5,000	$ 23,000
Gain (Loss) on Extinguishment of Debt														31,600
Debt Instrument, Principal Value														15,000
Subordinated Liabilities, Period Increase (Decrease)														1,900
Fair Value, Option, Changes in Fair Value, Loss														100
Fair Value, Option, Changes in Fair Value, Gain														$ 1,800
Interest Payable															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
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														$ 5,100	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	400
Line of Credit Facility, Maximum Borrowing Capacity						$ 1,000
DDI Loan [Member] | Digital Diagnostics Imaging, Inc. ("DDI") [Member]
Debt Instrument, Face Amount		$ 5,600
Long-Term Debt, Gross														$ 5,500
Debt Instrument, Interest Rate During Period		5.00%												9.00%
Debt Issuance Costs, Net, Total		$ 100
DDI Loan [Member] | Digital Diagnostics Imaging, Inc. ("DDI") [Member] | Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		0.50%
DDI Loan [Member] | Digital Diagnostics Imaging, Inc. ("DDI") [Member] | Revolving Credit Facility [Member]
Debt Instrument, Face Amount		$ 400
Long-Term Debt, Gross														$ 0
KWH Bank Loan [Member]
Debt Instrument, Interest Rate During Period														8.22%
Debt Instrument, LIBOR Floor									0.75%
Debt Instrument, SOFR Floor													0.75%
KWH Bank Loan [Member] | Term Loan [Member]
Long-Term Debt, Gross														$ 10,300	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
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] | Forecast [Member]
Proceeds from Lines of Credit												$ 3,500
Second Amendment to KWH Loan [Member] | Revolving Credit Facility [Member]
Debt Instrument, Face Amount					$ 10,000						$ 10,000
Debt Instrument, Minimum Draw Amount					$ 2,000
Debt Instrument, Interest Rate, Stated Percentage					3.75%						3.75%
Proceeds from Lines of Credit											$ 0
Second Amendment to KWH Loan [Member] | Revolving Credit Facility [Member] | Forecast [Member]
Proceeds from Lines of Credit												$ 500
[1] Net of income tax (benefit) expense of $0 and $0 in 2023 and 2022, respectively

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