Annual report pursuant to Section 13 and 15(d)

Note 2 - Accounting Policies - Customer Concentration Risk Percentage (Detail)

v3.6.0.2
Note 2 - Accounting Policies - Customer Concentration Risk Percentage (Detail)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Costco [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 20.00% 20.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | BodyBuilding.com    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   10.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | General Nutrition Corp [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   11.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Costco [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 17.00% 18.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | General Nutrition Corp [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   10.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Europa [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   11.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Vitamin Shoppe [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 10.00%  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Sport One Trading LLC [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 10.00%  
Supplier Concentration Risk [Member] | Capstone Nutrition [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   59.00%
Supplier Concentration Risk [Member] | Nutra Blend [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 52.00% 25.00%
Supplier Concentration Risk [Member] | Bakery Barn [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 25.00% 11.00%