Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Preferred stock, no par value	$ 0	$ 0
Preferred stock, shares authorized	11,660,000	11,660,000
Preferred stock, shares issued		10,742,500
Preferred stock, shares outstanding		10,742,500
Preferred stock, aggregate liquidation value		$ 8,830
Common stock, shares authorized	75,000,000
Common stock, shares issued	16,365,738
Common stock, shares outstanding	16,365,738
Common stock, par value	$ 0.0001
Series Seed Convertible Preferred Stock
Preferred stock, shares authorized		4,660,000
Preferred stock, shares issued		4,660,000
Preferred stock, shares outstanding		4,660,000
Preferred stock, aggregate liquidation value		$ 1,165
Series A Convertible Preferred Stock
Preferred stock, shares authorized		4,500,000
Preferred stock, shares issued		4,500,000
Preferred stock, shares outstanding		4,500,000
Preferred stock, aggregate liquidation value		$ 4,500
Series B Convertible Preferred Stock
Preferred stock, shares authorized		2,500,000
Preferred stock, shares issued		1,582,500
Preferred stock, shares outstanding		1,582,500
Preferred stock, aggregate liquidation value		$ 3,165
Common Stock, No Par Value
Common stock, no par value
Common stock, shares authorized		20,500,000
Common stock, shares issued		3,725,238
Common stock, shares outstanding		3,725,238
Common Stock, Par Value
Common stock, shares authorized	75,000,000
Common stock, shares issued	16,365,738
Common stock, shares outstanding	16,365,738
Common stock, par value	$ 0.0001