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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Research and Development Expense	$ 682	$ 535	$ 1,315	$ 1,064
Revenue from Contract with Customer, Excluding Assessed Tax	11,808	10,140	22,993	19,507
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Largest Customer [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 4,452	$ 2,723	$ 9,327	$ 5,057
Concentration Risk, Percentage	37.70%	26.90%	40.60%	25.90%
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Second Largest Customer [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,216	$ 1,662	$ 4,419	$ 2,671
Concentration Risk, Percentage	18.80%	16.40%	19.20%	13.70%
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Number of Major Customers			4		4
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Four Largest Customers [Member]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 2,972		$ 3,774
Concentration Risk, Percentage			55.60%		76.40%

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