Stockholders' Equity (Details) - USD ($)		1 Months Ended		3 Months Ended	6 Months Ended
	Dec. 23, 2015	Aug. 08, 2016	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Class of Stock [Line Items]
Maximum proceeds	$ 100,000,000
No. of Common Shares Issued (in shares)				6,452,170
Proceeds Received (Net of Broker Commissions and Fees )				$ 45,067,000	$ 45,067,000	$ 0
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Outstanding (shares)			20
Issued in conversion (shares)			40,000	40,000	40,000		40,000
Dividends in arrears			$ 6,000
Subsequent Event [Member]
Class of Stock [Line Items]
No. of Common Shares Issued (in shares)		4,438,745
Proceeds Received (Net of Broker Commissions and Fees )		$ 28,802,000