Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.10.0.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Administrative expense     $ 348 $ 348    
Research and development discontinued operation     52 52    
Expenses to discontinued operations     (530)    
Working capital 17,200       17,200      
Marketable securities, available for sale 6,866       6,866   $ 18,765  
Unrealized loss on marketable securities 28       54      
Accumulated unrealized loss on marketable securities 24       24      
Adjustments to reduce inventory for excess or obsolete inventory 427       427   1,100  
Cash and cash equivalents 2,269     3,897 2,269 3,897 3,173 $ 441
Bank balance 2,400       2,400      
Amount of bank balance covered by federal depository insurance 500       500      
Amount of bank balance uninsured 1,900       1,900      
Allowance for bad debt          
Net sales 2,439     3,040 9,033 5,716    
Provision for sales allowances         1   2  
Estimated sales returns         260   480  
Deferred revenue $ 57       $ 57      
Stock issued price per share $ 0.0005       $ 0.0005      
Stock option exercisable period         10 years      
Research and development $ 144     60 $ 319 318    
Continued Operations [Member]                
Advertising and incentive promotion expenses 14     22 51 78    
Discontinued Operations [Member]                
Advertising and incentive promotion expenses 0     0 0 2,800    
Cooperative Incentive [Member]                
Advertising and incentive promotion expenses         88   200  
Contract Manufacturing [Member]                
Net sales 2,324     300 8,764 5,600    
Retail Customers [Member]                
Net sales 115     $ 40 $ 269 $ 150    
Furniture and Fixtures [Member]                
Property, plant and equipment, useful life         5 years      
TK Supplements [Member]                
Adjustments to reduce inventory for excess or obsolete inventory $ 165       $ 165   $ 541  
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 1 year 1 year          
Interest rate 1.89% 1.89% 1.89%          
Marketable Securities [Member] | Maximum [Member]                
Investment in securities term 3 years 3 years 3 years          
Interest rate 3.56% 3.56% 3.56%