Condensed Consolidated Statement of Cash Flows (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Number of common shares issued in notes conversion	683
Number of common shares issued in deferred compensation conversion	286
Common Stock and Warrants [Member]
Issuance costs	$ 780
Series D Preferred Stock [Member]
Issuance costs		$ 33

The cash outflow for cost incurred directly with the issuance of an equity security.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

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