Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.20.2
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
May 03, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Working capital   $ 8,800   $ 8,800    
Marketable debt securities, available for sale   3,339   3,339   $ 926
Unrealized gain (loss) on marketable securities   (5) $ 8 6 $ 23  
Adjustments to adjust inventory for excess, obsolete inventory or short-dated shelf-life inventory   32 0 32 0  
Impairments or changes in useful lives        
Cash and cash equivalents   2,537   2,537   434
Bank balance   2,600   2,600    
Amount of bank balance covered by federal depository insurance   400   400    
Amount of bank balance uninsured   2,200   2,200    
Allowance for bad debt      
Net sales   3,623 1,651 5,511 3,969  
Estimated sales returns, continuing operation   53   53   37
Advertising and incentive promotion expenses, continuing operation   49 55 96 82  
Estimated sales returns, discontinued operation   131   131   132
Deferred revenue   221   221   214
Share-based compensation expense for the aggregate fair value of stock grants issued and vested stock options   198 180      
Research and development cost   65 95 124 189  
Contract Manufacturing [Member]            
Net sales   3,472 1,452 5,195 3,576  
Retail Dietary Supplement Product Customers [Member]            
Net sales   $ 100 $ 100 3,600 $ 400  
Cooperative Incentive Promotion Costs [Member]            
Advertising and incentive promotion expenses, continuing operation       43   92
Advertising and incentive promotion expenses , discontinued operation       $ 69   $ 76
Furniture and Fixtures [Member]            
Property, plant and equipment, useful life       5 years    
Minimum [Member] | Building and Improvements [Member]            
Property, plant and equipment, useful life       10 years    
Minimum [Member] | Machinery and Equipment [Member]            
Property, plant and equipment, useful life       3 years    
Minimum [Member] | Computer Equipment and Software [Member]            
Property, plant and equipment, useful life       3 years    
Maximum [Member] | Building and Improvements [Member]            
Property, plant and equipment, useful life       39 years    
Maximum [Member] | Machinery and Equipment [Member]            
Property, plant and equipment, useful life       7 years    
Maximum [Member] | Computer Equipment and Software [Member]            
Property, plant and equipment, useful life       5 years    
Marketable Securities [Member] | Minimum [Member]            
Investment in securities term       1 year    
Interest rate       1.875%    
Marketable Securities [Member] | Maximum [Member]            
Investment in securities term       3 years    
Interest rate       4.00%    
Promissory Note and Agreement [Member] | Wells Fargo, N.A [Member] | Paycheck Protection Program [Member]            
Debt instrument, face amount $ 295,250          
Payments to loan from escrow account $ 4,800,000