Accrued Expenses Accrued Expenses Settled with Stock (Details) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended
	May. 06, 2015	Jun. 30, 2015	Dec. 31, 2014
Schedule of Capitalization, Equity [Line Items]
Legal fees		$ 266	$ 404
Common Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Shares to settle accounts payable (shares)	2,105,982	2,558,779
Share price (usd per share)	$ 0.27	$ 0.20
Accrued Legal Fees [Member]
Schedule of Capitalization, Equity [Line Items]
Legal fees	$ 587	$ 147