Description of the Business and Liquidity (Details Narrative) - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Mar. 31, 2014 |
Mar. 31, 2016 |
Mar. 31, 2015 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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Net loss | $ (85,726,580) | $ (77,277,334) | $ (87,770,398) | $ (85,726,580) | $ (77,277,334) | ||
Net cash flows from operating activities | (1,608,561) | $ (2,799,042) | (8,637,734) | (7,250,303) | |||
Proceeds from common stock called | $ (140,086) | 3,503,314 | |||||
Notes payable cancelled, principal amount | $ 4,338,601 | 4,338,601 | |||||
December 2015 Private Placement [Member] | |||||||
Proceeds from common stock called | 4,740,387 | ||||||
December 2014 Private Placement [Member] | |||||||
Proceeds from common stock called | 9,379,880 | ||||||
March 2014 Private Placement [Member] | |||||||
Proceeds from common stock called | $ 3,503,314 | ||||||
Notes payable cancelled, principal amount | $ 4,338,601 | ||||||
Brainlab Senior Secured Note Payable [Member] | |||||||
Description of maturity date |
Matures on December 31, 2018. |
Matures in April 2016. |
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Debt face amount | $ 4,289,444 | $ 4,018,139 | $ 4,289,444 | $ 4,289,444 | $ 4,018,139 | ||
Accrued interest | $ 740,000 |
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- Definition The aggregate principal amount of notes payable cancelled No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Increase for accrued, but unpaid interest on the debt instrument for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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