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Stockholders' Equity - Fair Value Assumptions (Details) - Warrants to the Lenders Under the Loan Agreement
Apr. 03, 2017
$ / shares
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Current stock price (USD per share) $ 8.88
Exercise option price (USD per share) $ 10.25
Expected term of warrants (in years) 5 years
Expected volatility rate 48.29%
Risk-free rate 1.88%
Expected dividend yield 0.00%