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Summary of Significant Accounting Policies (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
¥ / ₩
Sep. 30, 2017
USD ($)
¥ / ₩
Sep. 30, 2018
USD ($)
$ / ₩
Sep. 30, 2017
USD ($)
$ / ₩
Sep. 30, 2018
Sep. 30, 2018
$ / ₩
Sep. 30, 2018
¥ / ₩
Sep. 30, 2018
Area
Dec. 31, 2017
USD ($)
Dec. 31, 2017
$ / ₩
Dec. 31, 2017
¥ / ₩
Foreign Currency Transaction [Abstract]                      
Foreign currency exchange rate           1,112.70 9.81     1,071.40 9.49
Average exchange rate for the period 9.95 10.18 1,090.88 1,138.68              
Net gain (loss) on translation adjustments $ 21,564 $ (44,965) $ (157,736) $ 0              
Segment Reporting [Abstract]                      
Number of geographic areas | Area               2      
Consolidated Financial Statements by Geographic Areas [Abstract]                      
Current assets 6,544,286   6,544,286           $ 8,645,961    
Non-current assets 1,380,209   1,380,209           1,552,420    
Current liabilities 2,051,118   2,051,118           1,901,236    
Net Sales 1,874,629 2,242,876 4,475,850 6,865,375              
Restricted Cash [Abstract]                      
Restricted cash, restricted for loans with the financial institutions 1,564,000   1,564,000           1,624,000    
Restricted cash 1,707,558   $ 1,707,558           1,795,781    
Short-Term Loans [Abstract]                      
Interest rate on short-term loans receivables     9.00%                
Interest income 24,163 10,091 $ 34,879 21,170              
Research and Development [Abstract]                      
Research and development cost 216,730 240,773 $ 795,185 832,816              
Severance and Retirement Benefits [Abstract]                      
Minimum service to receive lump-sum payment     1 year                
Defined contribution plans cost 226,175 224,141 $ 350,016 339,569              
Advertising [Abstract]                      
Advertising expense 31,146 31,146 37,458 33,172              
Value Added Tax [Abstract]                      
Value added tax rate         10.00%            
Value added tax paid 64,737 33,797 291,251 256,155              
Reportable Geographical Areas [Member] | Korea [Member]                      
Consolidated Financial Statements by Geographic Areas [Abstract]                      
Current assets 6,285,357   6,285,357           8,454,367    
Non-current assets 1,469,919   1,469,919           1,552,148    
Current liabilities 2,003,032   2,003,032           1,728,657    
Non-current liabilities 494,293   494,293           280,007    
Net Sales 1,688,967 2,053,025 3,798,399 6,222,764              
Reportable Geographical Areas [Member] | Japan [Member]                      
Consolidated Financial Statements by Geographic Areas [Abstract]                      
Current assets 258,929   258,929           191,594    
Non-current assets 270   270           272    
Current liabilities 144,653   144,653           172,582    
Non-current liabilities 0   0           $ 0    
Net Sales $ 185,662 $ 189,851 $ 677,451 $ 642,611              
Subsidiaries [Member] | I-ON, Ltd [Member]                      
Principles of Consolidation and Presentation [Abstract]                      
Ownership percentage         99.50%