Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.7.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Series A cumulative term preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Series A cumulative term preferred stock, liquidation preference (in dollars per share) $ 25 $ 25
Series A cumulative term preferred stock, shares authorized (in shares) 2,000,000 2,000,000
Series A cumulative term preferred stock, shares issued (in shares) 1,150,000 1,150,000
Series A cumulative term preferred stock, shares outstanding (in shares) 1,150,000 1,150,000
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 18,000,000 18,000,000
Common stock, shares issued (in shares) 11,850,624 10,024,875
Common stock, shares outstanding (in shares) 11,850,624 10,024,875