Note 8 - Segments - Segments (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenue	$ 455,827			$ 313,663			$ 1,141,986	$ 944,187
Net loss	(4,059,484)	$ (10,391,324)	$ (3,370,715)	(5,438,017)	$ (2,573,932)	$ (3,888,713)	(17,821,524)	(11,900,662)
Assets	33,166,209						33,166,209		$ 43,771,271
Corporate, Non-Segment [Member]
Revenue	0			1,171			889	3,171
Net loss	(2,465,946)			(1,243,568)			(5,463,763)	(4,657,253)
Assets	11,682,981						11,682,981		28,536,489
Helomics Segment [Member] | Operating Segments [Member]
Revenue	1,821			2,164			5,543	11,314
Net loss	(916,113)			(3,739,275)			(2,902,182)	(6,024,129)
Assets	1,061,545						1,061,545		1,802,792
Soluble [Member] | Operating Segments [Member]
Revenue	29,439			27,653			64,580	76,639
Net loss	(407,622)			(352,324)			(1,206,550)	(840,790)
Assets	1,559,917						1,559,917		1,742,445
zPREDICTA [Member] | Operating Segments [Member]
Revenue	170,816			0			261,099
Net loss	(160,395)			0			(7,989,585)	0
Assets	3,815,513						3,815,513		10,782,568
Skyline [Member] | Operating Segments [Member]
Revenue	253,751			282,675			809,875	853,063
Net loss	(109,408)			$ (102,850)			(259,444)	$ (378,490)
Assets	$ 15,046,253						$ 15,046,253		$ 906,977