Note 13 - Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2022	Dec. 31, 2021
Total		$ 203,172	$ 204,128
Liabilities		13,163	10,470
Company Earn-Outs [Member]
Liabilities	[1]		10,012
Warrant Liabilities [Member]
Liabilities	[1]	362	458
Fair Value, Inputs, Level 1 [Member]
Total		0	0
Liabilities		0	0
Fair Value, Inputs, Level 1 [Member] | Company Earn-Outs [Member]
Liabilities	[1]		0
Fair Value, Inputs, Level 1 [Member] | Warrant Liabilities [Member]
Liabilities	[1]	0	0
Fair Value, Inputs, Level 2 [Member]
Total		203,172	204,128
Liabilities		362	458
Fair Value, Inputs, Level 2 [Member] | Company Earn-Outs [Member]
Liabilities	[1]		0
Fair Value, Inputs, Level 2 [Member] | Warrant Liabilities [Member]
Liabilities	[1]	362	458
Fair Value, Inputs, Level 3 [Member]
Total		0	0
Liabilities		12,801	10,012
Fair Value, Inputs, Level 3 [Member] | Company Earn-Outs [Member]
Liabilities	[1]		10,012
Fair Value, Inputs, Level 3 [Member] | Warrant Liabilities [Member]
Liabilities	[1]	0	0
US Treasury Securities [Member]
Cash Equivalents		19,939	199,999
Short term investments		179,743
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Cash Equivalents		0	0
Short term investments		0
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Cash Equivalents		19,939	199,999
Short term investments		179,743
US Treasury Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Cash Equivalents		0	0
Short term investments		0
Certificates of Deposit [Member]
Cash Equivalents		1,756	1,433
Short term investments		1,548	2,411
Certificate of deposits		186	285
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]
Cash Equivalents		0	0
Short term investments		0	0
Certificate of deposits		0	0
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]
Cash Equivalents		1,756	1,433
Short term investments		1,548	2,411
Certificate of deposits		186	285
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]
Cash Equivalents		0	0
Short term investments		0	0
Certificate of deposits		0	$ 0
Company Earn-Outs [Member]
Liabilities	[1]	7,136
Company Earn-Outs [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities	[1]	0
Company Earn-Outs [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities	[1]	0
Company Earn-Outs [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities	[1]	7,136
I-Access Contingent Consideration [Member]
Liabilities	[2]	5,665
I-Access Contingent Consideration [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities	[2]	0
I-Access Contingent Consideration [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities	[2]	0
I-Access Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities	[2]	$ 5,665

[1] As a result of the Business Combination on July 1, 2021, the Company recorded Company Earn-Out Shares and private placement warrants as liabilities and measured at fair value each reporting period. The Company measured the Company Earn-Out Shares at fair value determined at Level 3. The Company measured the private placement warrants at fair value determined at Level 2. Refer to “Note 10 — Earn-Out and Warrant Liabilities” for further details.

[2] As a result of the Business Combination on February 18, 2022, the Company recorded I-Access contingent consideration as liabilities and measured at fair value each reporting period. The Company measured the I-Access contingent consideration at fair value determined at Level 3. Refer to “Note 3 — Business Combination” for further details.