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16. FAIR VALUE MEASUREMENTS (Details - Level 3) - Level 3 [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Warrant |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Beginning Balance | $ 1,986 | $ 8,215 | $ 4,892
Adjustments to fair value for the period | (1,114) | 35,260 | (646)
Ending Balance | 273 | 1,986 | 8,215
Warrant | Issuance In January [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Issuances |  |  | 2,657
Warrant | Issuance In March [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Issuances |  |  | 1,572
Warrant | Issuance In June [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Issuances |  |  | 0
Warrant | Conversions of Notes [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Transfers out |  |  | 0
Warrant | Exercises of Warrants [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Transfers out | (72) |  | (260)
Warrant | Expiration of Warrants [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Transfers out | (527) | (3) |
Conversion Features [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Beginning Balance | 0 | 0 |
Adjustments to fair value for the period |  | 875 |
Ending Balance | $ 0 | 0 | 0
Conversion Features [Member] | Issuance In March [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Issuances |  |  | 1,401
Conversion Features [Member] | Issuance In June [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Issuances |  |  | 2,929
Conversion Features [Member] | Conversions of Notes [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Transfers out |  |  | $ (5,205)
Conversion Features [Member] | Exercises of Warrants [Member] |  |  |
Changes in the fair value of the Company's Level 3 inputs |  |  |
Transfers out |  | $ (41,486) |

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- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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