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Related Party Transactions Related Party Transactions (Detail Narrative) - USD ($)
12 Months Ended
Feb. 23, 2018
Dec. 31, 2017
Nov. 17, 2017
Affiliated Entity      
Related Party Transaction [Line Items]      
Revenue from related parties   $ 45,865  
HCP-FVA, LLC | Finance Commitment Loan      
Related Party Transaction [Line Items]      
Total loan commitment amount available     $ 3,000,000
HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Principal amount borrowed     $ 500,000
Initial Backstop Warrant | HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Warrants issued (in shares)     13,859,128
Additional Backstop Warrant | HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Warrants issued (in shares)     41,577,382
Subsequent Event | HCP-FVA, LLC | Finance Commitment Loan      
Related Party Transaction [Line Items]      
Warrants issued (in shares) 30,000,000    
Subsequent Event | HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Debt converted $ 500,000    
Subsequent Event | Initial Backstop Warrant | HCP-FVA, LLC | Finance Commitment Loan      
Related Party Transaction [Line Items]      
Proceeds from warrants 3,000,000    
Subsequent Event | Initial Backstop Warrant | HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Proceeds from warrants $ 2,500,000    
Subsequent Event | Additional Backstop Warrant | HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Warrants issued (in shares) 41,577,383    
Subsequent Event | Financing Warrants | HCP-FVA, LLC | Loan and Security Agreement Short-term Loan      
Related Party Transaction [Line Items]      
Warrants issued (in shares) 366,990,000