Note 4 - Intangible Assets - Schedule of Intangible Assets in Process Research and Development (Details) - Grace Therapeutics Inc. [Member] $ in Thousands	3 Months Ended
	Jun. 30, 2022 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 69,810
GTX 104 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	27,595
GTX 102 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	31,908
GTX 101 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 10,307