Summary Of Significant Accounting Policies (Narrative) (Details) - $ / shares	6 Months Ended
Jun. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants	$ 0.70
Stock Options And Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, requisite service period	4 years
Options and stock appreciation rights outstanding	645,885	671,887
Weighted average exercise price	$ 7.01	$ 8.77
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issuable upon exercise	38,779,119
Exercise price of warrants	$ 0.82
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted shares	636,862	1,167,099
Stock Options And Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive common shares excluded from the computation of diluted earnings per share	645,885
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive common shares excluded from the computation of diluted earnings per share	628,775
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive common shares excluded from the computation of diluted earnings per share	38,779,119
Convertible Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issuable upon exercise	38,463,078
Exercise price of warrants	$ 0.65

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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Exercise price per share or per unit of warrants or rights outstanding.

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-Name Accounting Standards Codification
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