Revenue - Major Products (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Revenue from External Customer [Line Items]
Revenue, net	$ 50,943	$ 50,004	$ 52,189	$ 53,224	$ 54,777	$ 51,570	$ 59,007	$ 54,827	$ 206,360	$ 220,181	$ 232,915
Product concentration risk | Revenue benchmark
Revenue from External Customer [Line Items]
Concentration risk									100.00%	100.00%	100.00%
Protandim® product line
Revenue from External Customer [Line Items]
Revenue, net									$ 135,616	$ 150,272	$ 156,335
Protandim® product line | Product concentration risk | Revenue benchmark
Revenue from External Customer [Line Items]
Concentration risk									65.70%	68.20%	67.10%
TrueScience® product line
Revenue from External Customer [Line Items]
Revenue, net									$ 22,877	$ 22,617	$ 23,739
TrueScience® product line | Product concentration risk | Revenue benchmark
Revenue from External Customer [Line Items]
Concentration risk									11.10%	10.30%	10.20%
Other
Revenue from External Customer [Line Items]
Revenue, net									$ 47,867	$ 47,292	$ 52,841
Other | Product concentration risk | Revenue benchmark
Revenue from External Customer [Line Items]
Concentration risk									23.20%	21.50%	22.70%