Note 2 - REVENUE FROM CONTRACTS WITH CUSTOMERS - 1 (Details)	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) item	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Number of revenue sources \| item			2
Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total	$ 1,900,000		$ 1,900,000		$ 400,000
Capitalized Contract Cost, Impairment Loss	0	$ 0	0	$ 0	0
Contract with Customer, Liability, Revenue Recognized	10,600,000	7,000,000.0	16,300,000	13,800,000
Revenue, Remaining Performance Obligation, Amount	185,400,000		185,400,000
Contract with Customer, Performance Obligation Satisfied in Previous Period	1,900,000	200,000	400,000	34,000
Capitalized Contract Cost, Amortization	400,000	$ 200,000	1,127,000	$ 499,000
Prepaid Expenses and Other Current Assets [Member]
Capitalized Contract Cost, Net, Total	1,400,000		1,400,000		600,000
Other Noncurrent Assets [Member]
Capitalized Contract Cost, Net, Total	$ 1,700,000		$ 1,700,000		$ 2,100,000
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	100.00%	100.00%	100.00%	100.00%
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member] \| Non-US [Member]
Concentration Risk, Percentage	54.00%	53.00%	51.00%	57.00%

Represents information pertaining to number of sources where the company is deriving revenue.

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- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Section 50
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Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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