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Warrants (Schedule of Warrant Activity) (Details) shares in Thousands | 6 Months Ended
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Jun. 30, 2017 shares
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 2,570
Granted | 17,000
Exercised | 0
Class of Warrant or Right, Expired | (13)
Warrants outstanding , Ending balance | 19,557
February 2017 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 0
Granted | 17,000
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 17,000
July 2016 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 700
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 700
January 2016 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 682
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 682
March 2015 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 700
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 700
September 2013 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 199
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 199
December 2012 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 152
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 152
April 2011 |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 13
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | (13)
Warrants outstanding , Ending balance | 0
Other |
Class of Warrant or Right, Outstanding [Roll Forward] |
Warrants outstanding , Beginning balance | 124
Granted | 0
Exercised | 0
Class of Warrant or Right, Expired | 0
Warrants outstanding , Ending balance | 124

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- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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