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Summary of Significant Accounting Policies - Revenues by Major Products (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2017 USD ($) product_line	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Revenue from External Customer [Line Items]
Number of product lines | product_line	2
Revenues	$ 199,489	$ 206,540	$ 190,336
Revenues percentage	100.00%	100.00%	100.00%
Product Concentration Risk | Sale Revenues, Gross
Revenue from External Customer [Line Items]
Concentration risk, percentage	77.90%	77.90%	83.70%
Protandim®product line
Revenue from External Customer [Line Items]
Revenues	$ 130,873	$ 128,019	$ 120,967
Revenues percentage	65.60%	62.00%	63.60%
TrueScience® product line
Revenue from External Customer [Line Items]
Revenues	$ 24,440	$ 32,914	$ 38,287
Revenues percentage	12.30%	15.90%	20.10%
Other
Revenue from External Customer [Line Items]
Revenues	$ 44,176	$ 45,607	$ 31,082
Revenues percentage	22.10%	22.10%	16.30%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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