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Debt - Additional Information (Details)
3 Months Ended
Mar. 31, 2018
USD ($)
Note
Mar. 31, 2017
USD ($)
Dec. 31, 2017
USD ($)
Debt Instrument [Line Items]      
Short-term debt $ 983,131   $ 1,010,961
Interest expense, debt 57,846 $ 29,844  
Due in 2018 [Member]      
Debt Instrument [Line Items]      
Debt instrument, annual principal payment 1,000,000    
MGHIF Financing Agreement [Member]      
Debt Instrument [Line Items]      
Short-term debt     1,000,000
Notes Payable, Other Payables [Member]      
Debt Instrument [Line Items]      
Short-term debt $ 7,000   $ 100,000
Bridge Financing Notes [Member]      
Debt Instrument [Line Items]      
Number of notes | Note 3    
Number of notes drew down | Note 2