XML 62 R98.htm IDEA: XBRL DOCUMENT v3.20.1
Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Details 2) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Net operating loss carried forward $ 29,361,274 $ 26,595,654
Valuation allowance 32,944,381 (30,523,274)
Deferred tax assets, non-current
Deferred tax liabilities, non-current
Trade accounts receivable [Member]    
Net operating loss carried forward  
Deferred tax assets, non-current 1,225,916 1,031,389
Inventories [Member]    
Net operating loss carried forward  
Deferred tax assets, non-current 1,026,483 1,715,161
Property, plant and equipment [Member]    
Net operating loss carried forward  
Deferred tax assets, non-current 768,975 618,416
Provision for product warranty [Member]    
Net operating loss carried forward  
Deferred tax assets, non-current $ 561,733 $ 562,654