Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.19.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2019
Dec. 31, 2018
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 91,500,000 91,500,000
Common stock, shares issued (in shares) 18,462,219 17,891,340
Common stock, shares outstanding (in shares) 18,462,219 17,891,340
Series A Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25 $ 25
Preferred stock, shares authorized (in shares) 2,000,000 2,000,000
Preferred stock, shares issued (in shares) 1,150,000 1,150,000
Preferred stock, shares outstanding (in shares) 1,150,000 1,150,000
Series B Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25 $ 0
Preferred stock, shares authorized (in shares) 6,500,000 6,500,000
Preferred stock, shares issued (in shares) 1,891,709 1,144,393
Preferred stock, shares outstanding (in shares) 1,891,709 1,144,393