Annual report pursuant to Section 13 and 15(d)

(Details)

v3.8.0.1
(Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Intangible assets      
Net amount $ 709 $ 976  
Amortization expense for intangible assets 200 100 $ 100
Estimated Amortization Expense      
2018 186    
2019 186    
2020 186    
2021 134    
2022 17    
Total 709    
Product formulations      
Intangible assets      
Gross carrying amount 1,800 1,900  
Accumulated amortization 1,100 900  
Net amount $ 700 1,000  
Product formulations | Minimum      
Intangible assets      
Estimated useful lives 9 years    
Product formulations | Maximum      
Intangible assets      
Estimated useful lives 15 years    
Blue Hat Product Registrations      
Intangible assets      
Gross carrying amount   $ 500  
Impairment of Intangible Assets, Finite-lived $ 100    
Blue Hat Product Registrations | Minimum      
Intangible assets      
Estimated useful lives   3 years  
Blue Hat Product Registrations | Maximum      
Intangible assets      
Estimated useful lives   5 years