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Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2019
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On October 19, 2019, the Company’s Board of Directors approved the promotion of William Plovanic to Chief Executive Officer from his prior role of Chief Financial Officer. Mr. Plovanic will retain the title of President and continue to serve as a Class II director on the Board. In addition, the Company promoted Nooshin Hussainy to Chief Financial Officer from her prior role of Vice President Finance and Controller. Concurrent with these promotions, the Company's Board of Directors approved stock option awards covering 74,682 shares of common stock to certain of the Company's executive officers and employees.