Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.8.0.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jun. 15, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Administrative expense   $ 350 $ 2,329 $ 4,719  
Sales and marketing expenses   1,700 5,400 7,400  
Research and development discontinued operation   51 218 738  
Working capital   27,800      
Marketable securities, available for sale   $ 18,765    
Debt maturity date Jun. 15, 2017 Mar. 31, 2019      
Unrealized loss on marketable securities   $ 78      
Adjustments to reduce inventory for excess or obsolete inventory   1,100 1,600    
Cash and cash equivalents   3,173 441 1,664 $ 2,926
Bank balance   3,300      
Amount of bank balance covered by federal depository insurance   500      
Amount of bank balance uninsured   2,800      
Allowance for bad debt      
Net sales   9,867 4,206 2,518  
Provision for sales allowances   2 0    
Estimated sales returns   480 1,200    
Prepaid expenses and other current assets   $ 143 263    
Stock issued price per share   $ 0.005      
Stock option exercisable period   10 years      
Share-based compensation expense   $ 78 1 135  
Research and development   431 358 340  
Continued Operations [Member]          
Advertising and incentive promotion expenses   45 717 1  
Discontinued Operations [Member]          
Advertising and incentive promotion expenses   2,800 7,500 6,900  
Research and development   52 218 738  
Cooperative Incentive [Member]          
Advertising and incentive promotion expenses   200 1,500    
Contract Manufacturing [Member]          
Net sales   9,867 4,206 2,518  
Retail Customers [Member]          
Net sales   201 67 $ 86  
TK Supplements [Member]          
Adjustments to reduce inventory for excess or obsolete inventory   541 383    
Cold-EEZE® Business [Member]          
Adjustments to reduce inventory for excess or obsolete inventory     $ 606    
Marketable Securities 1 [Member]          
Investment in marketable securities   $ 16,000      
Investment in securities term   1 year      
Marketable Securities 1 [Member] | Minimum [Member]          
Interest rate   0.87%      
Marketable Securities 1 [Member] | Maximum [Member]          
Interest rate   3.12%      
Marketable Securities 2 [Member]          
Investment in marketable securities   $ 2,800      
Marketable securities, description   maturity dates between one and two years      
Marketable Securities 2 [Member] | Minimum [Member]          
Interest rate   1.97%      
Marketable Securities 2 [Member] | Maximum [Member]          
Interest rate   2.31%