Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.20.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Working capital $ 9,000  
Marketable debt securities, available for sale 926 $ 6,687
Unrealized gain (loss) on marketable securities 22 54
Accumulated unrealized loss on marketable securities 2 24
Adjustments to reduce inventory for excess or obsolete inventory 168 103
Inventory finished goods 136 158
Impairments or changes in useful lives  
Cash and cash equivalents 434 1,554
Bank balance 500  
Amount of bank balance covered by federal depository insurance 335  
Amount of bank balance uninsured 176  
Allowance for bad debt
Net sales 9,876 13,126
Provision for sales allowances 0 1
Estimated sales returns, continuing operation 37  
Estimated sales returns, discontinued operation 132 181
Advertising and incentive promotion expenses , discontinued operation 443 264
Deferred revenue $ 214 206
Stock option exercisable period 10 years  
Stock issued price per share $ 0.0005  
Research and development cost $ 332 398
Cooperative Incentive [Member]    
Advertising and incentive promotion expenses, continuing operation 92  
Advertising and incentive promotion expenses , discontinued operation 76 88
Contract Manufacturing [Member]    
Net sales 8,974 12,633
Retail Dietary Supplement Product Customers [Member]    
Net sales $ 900 $ 500
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 1.65%  
Marketable Securities [Member] | Maximum [Member]    
Investment in securities term 3 years  
Interest rate 3.09%