Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Property Plant and Equipment Useful Life [Table Text Block]

	Years
Operating lease assets – Senhance System leasing		5
Machinery, manufacturing, and demonstration equipment	3	-	5
Computer equipment		3
Furniture		5
Leasehold improvements	Lesser of lease term or 3-10