Note 4 - Debt Obligations - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Long-term debt, current	$ 83	$ 66
Vehicle Loan [Member]
Long-term debt, current	13	13
Total long-term debt, net of current	36	41
Term Loan Agreement [Member]
Long-term debt, current	17	0
Total long-term debt, net of current	32	0
Paycheck Protection Program CARES Act [Member]
SBA Paycheck Protection Program loan	43	43
Economic Injury Disaster Loan [Member]
Long-term debt, current	10	10
Total long-term debt, net of current	131	134
Debt Excluding Clyra Medical Technologies [Member]
Total current portion of debt	83	66
Total long-term debt, net of current	199	175
Total	$ 282	$ 241