Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Common shares, par value	$ 0.10	$ 0.10
Common shares, authorized	100,000,000	100,000,000
Common shares, issued	47,220,525	41,017,777
Common shares, outstanding	47,220,525	41,017,777
Series A Preferred Shares [Member]
Preferred shares, par value	$ 0.10
Preferred shares, authorized	510,000
Preferred shares, issued	510,000
Preferred shares, outstanding	510,000
Preferred shares, liquidation preference per share	$ 50
Related Party [Member] | Series A Preferred Shares [Member]
Preferred shares, par value	$ 0.10
Preferred shares, authorized	411,000
Preferred shares, issued	411,000
Preferred shares, outstanding	411,000
Preferred shares, liquidation preference per share	$ 50