|
Note 20 - Net Loss Per Share (Details) - Basic and Diluted Net Loss Per Share (USD $)
|
3 Months Ended |
12 Months Ended |
|
Dec. 31, 2014
|
Sep. 30, 2014
|
Jun. 30, 2014
|
Mar. 31, 2014
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Note 20 - Net Loss Per Share (Details) - Basic and Diluted Net Loss Per Share [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss |
$ (16,220,410) |
$ (15,101,017) |
$ (11,983,531) |
$ (10,000,980) |
$ (8,020,922) |
$ (5,672,598) |
$ (5,778,841) |
$ (4,449,202) |
$ (53,305,938) |
$ (23,921,563) |
$ (10,471,330) |
| Accretion of redeemable convertible preferred stock |
|
|
|
(863,226) |
(477,029) |
5,325,406 |
(10,446) |
(64,940) |
(863,226) |
4,772,991 |
(351,371) |
| Reverse prior accretion on redeemable preferred stock due to reduction in liquidation value of Series A, B, and C |
|
|
|
|
|
|
|
|
|
5,657,638 |
|
| Preferred stock dividend due to exchanges of preferred shares |
|
|
|
|
|
|
|
|
|
(14,726,088) |
|
| Net loss attributable to common stockholders |
(16,220,410) |
(15,101,017) |
(11,983,531) |
(10,864,206) |
(8,497,951) |
(15,073,280) |
(5,789,287) |
(4,514,142) |
(54,169,164) |
(33,874,660) |
(10,822,701) |
| Weighted average common shares outstanding, basic and diluted (in Shares) |
19,656,209 |
19,655,561 |
19,655,187 |
10,376,561 |
234,789 |
231,084 |
226,757 |
226,757 |
17,367,665 |
229,865 |
198,306 |
| Net loss per share attributable to common stockholders, basic and diluted (in Dollars per share) |
$ (0.83) |
$ (0.77) |
$ (0.61) |
$ (1.05) |
$ (36.19) |
$ (65.23) |
$ (25.53) |
$ (19.91) |
$ (3.12) |
$ (147.37) |
$ (54.58) |
| Convertible Preferred Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
| Note 20 - Net Loss Per Share (Details) - Basic and Diluted Net Loss Per Share [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Accretion of redeemable convertible preferred stock |
|
|
|
|
|
|
|
|
$ (863,226) |
$ (884,647) |
$ (351,371) |