Note 15 - Acquisitions (Details Textual) - USD ($)			3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 01, 2021	May 03, 2021	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total			$ 0		$ 6,451,000		$ 0	$ 6,451,000
Goodwill, Ending Balance			$ 224,741,000	$ 224,741,000			$ 224,741,000
Sexton Acquisition [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	530,502
Business Acquisition, Percentage of Equity Issuable Shares Held in Escrow Accounts for Post Closing Claims	10.00%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total	$ 6,500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Gross Receivables	509,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Uncollectable Receivables	17,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period				198,000
Goodwill, Ending Balance	$ 28,470,000
Sexton Acquisition [Member] | Common Stock Issued to Acquire Participating Holders [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	477,452
Sexton Acquisition [Member] | Common Stock Deposited Into Escrow [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	53,050
GCI Acquisition [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)		6,636,470
Business Acquisition, Percentage of Equity Issuable Shares Held in Escrow Accounts for Post Closing Claims		9.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Gross Receivables		$ 7,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Uncollectable Receivables		53,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period				$ 607,000
Goodwill, Ending Balance		$ 137,822,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares, Before Adjustments (in shares)		6,646,870
Business Combination, Stock Reduced During Period, Satisfy Note Receivable (in shares)		10,400
Business Combination, Escrow Shares, Period (Month)		24 months
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)						$ 58,900,000
Impairment of Intangible Assets, Finite-Lived						$ 11,000,000.0
GCI Acquisition [Member] | One GCI Stockholder [Member]
Business Combination, Stock Reduced During Period, Satisfy Note Receivable (in shares)		10,400
Financing Receivable, after Allowance for Credit Loss, Total		$ 374,000