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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events As discussed in Note 10, we issued approximately 1.6 million shares of our common stock upon the automatic exercise of the remaining 2018 Warrants during the quarter ending June 30, 2019. As of the date of the issuance of these condensed consolidated financial statements, the 2018 Warrants are no longer outstanding. On April 29, 2019, Michael P. Scarpelli notified us of his decision to resign from his position as Chief Financial Officer after the release of our earnings for the second quarter of 2019. We have initiated a search for Mr. Scarpelli’s successor.