Note 8 - Segments - Segments (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Revenue	$ 371,591		$ 350,207		$ 686,159	$ 630,524
Net loss	(10,391,324)	$ (3,370,715)	(2,573,932)	$ (3,888,713)	(13,762,039)	(6,462,645)
Assets	36,495,767				36,495,767		$ 43,771,271
Corporate, Non-Segment [Member]
Revenue	487		2,000		889	2,000
Net loss	(1,393,045)		(1,144,735)		(2,997,817)	(3,413,685)
Assets	15,122,723				15,122,723		(28,536,489)
Helomics Segment [Member] | Operating Segments [Member]
Revenue	84		7,161		3,722	9,151
Net loss	(946,341)		(1,057,177)		(1,986,069)	(2,284,853)
Assets	1,275,404				1,275,404		1,802,792
Soluble [Member] | Operating Segments [Member]
Revenue	22,225		34,910		35,141	48,985
Net loss	(396,100)		(238,938)		(798,928)	(488,467)
Assets	1,565,394				1,565,394		1,742,445
zPREDICTA [Member] | Operating Segments [Member]
Revenue	71,941		0		90,283
Net loss	(7,554,404)		0		(7,829,190)	0
Assets	3,782,143				3,782,143		10,782,568
Skyline [Member] | Operating Segments [Member]
Revenue	276,854		306,136		556,124	570,388
Net loss	(101,434)		$ (133,082)		(150,035)	$ (275,640)
Assets	$ 14,750,103				$ 14,750,103		$ 906,977