Quarterly report pursuant to Section 13 or 15(d)

Offerings of Common Stock and Warrants (Details)

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Offerings of Common Stock and Warrants (Details)
$ / shares in Units, $ in Millions
Sep. 04, 2019
USD ($)
$ / shares
shares
Offerings of Common Stock and Warrants  
Registered Direct Offering, common stock, aggregate shares offered, shares (in shares) | shares 580,000
Registered Direct Offering, common stock, aggregate shares offered, share price (in dollars per share) | $ / shares $ 5.00
Proceeds from issuance of common stock and warrants, Registered Direct Offering $ 5.1
Proceeds from issuance of common stock and warrants, net of offering costs $ 4.6