Note 7 - Commitments and Contingencies - Concentration of Risk by Customer (Details) - Customer Concentration Risk [Member]	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Accounts Receivable [Member] \| United States Government Agencies [Member]
Revenue, percent			26.50%	2.00%
Accounts Receivable [Member] \| Customer A [Member]
Revenue, percent			17.80%	18.90%
Accounts Receivable [Member] \| Customer B [Member]
Revenue, percent			10.80%	14.20%
Revenue Benchmark [Member] \| United States Government Agencies [Member]
Revenue, percent	26.90%	29.70%	34.50%	11.50%
Revenue Benchmark [Member] \| Customer A [Member]
Revenue, percent	14.30%	15.80%	0.00%	15.80%
Revenue Benchmark [Member] \| Customer B [Member]
Revenue, percent	0.00%	10.30%	0.00%	10.80%

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.