Note 17 - Acquisitions (Details Textual) - USD ($)					3 Months Ended		8 Months Ended	12 Months Ended
	Sep. 01, 2021	May 03, 2021	Oct. 01, 2020	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total								$ 0	$ 6,451,000	$ 0
Goodwill, Ending Balance					$ 224,741,000	$ 58,449,000	$ 224,741,000	$ 224,741,000	$ 224,741,000	$ 58,449,000
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
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual					1,800,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual					(1,000,000.0)
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
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual							39,100,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual							$ (19,600,000)
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
SciSafe Holdings, Inc [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)			611,683
Goodwill, Ending Balance			$ 24,943,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage			100.00%
Business Acquisition, Share Price (in dollars per share)			$ 29.29
Payments to Acquire Businesses, Gross			$ 15,000,000
Business Acquisition, Amount Held in Escrow			1,500,000
Payments to Acquire Notes Receivable				$ 500,000
Business Combination, Indemnification Assets, Amount as of Acquisition Date			$ 130,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual						1,800,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual						$ (416,000)
SciSafe Holdings, Inc [Member] | Maximum [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)			626,000