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v3.19.1

Condensed Consolidated Statements of Stockholders' Equity Statement - USD ($) | Total | Preferred Stock | Common Stock | Additional Paid-in Capital | Retained Earnings | AOCI Attributable to Parent | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (shares) at Dec. 31, 2017 |  | 23 | 90,357,644 |  |  |  |
Beginning balance at Dec. 31, 2017 | $ 142,488,809 | $ 0 | $ 90,358 | $ 665,775,504 | $ (523,356,317) | $ (117,005) | $ 96,269
Exercise of stock options for cash and vesting of RSUs, net of tax payments (shares) |  |  | 347,287 |  |  |  |
Exercise of stock options for cash and vesting of RSUs, net of tax payments | (506,403) |  | $ 347 | (506,750) |  |  |
Stock-based compensation | 3,575,750 |  |  | 3,575,750 |  |  |
Net loss attributable to common stockholders | (32,350,828) |  |  |  | (32,350,828) |  |
Unrealized gain on short-term investments, net of tax | (112,765) |  |  |  |  | (112,765) |
Ending balance (shares) at Mar. 31, 2018 |  | 23 | 90,704,931 |  |  |  |
Ending balance at Mar. 31, 2018 | 113,094,563 | $ 0 | $ 90,705 | 668,844,504 | (555,475,779) | (461,136) | 96,269
Beginning balance (shares) at Dec. 31, 2018 |  | 23 | 97,225,810 |  |  |  |
Beginning balance at Dec. 31, 2018 | 87,032,407 | $ 0 | $ 97,226 | 707,794,215 | (620,426,436) | (528,867) | 96,269
Issuance of common stock for cash (shares) |  |  | 183,200 |  |  |  |
Issuance of common stock for cash | 907,330 |  | $ 183 | 907,147 |  |  |
Exercise of stock options for cash and vesting of RSUs, net of tax payments (shares) |  |  | 525,000 |  |  |  |
Exercise of stock options for cash and vesting of RSUs, net of tax payments | (719,397) |  | $ 525 | (719,922) |  |  |
Equity component of issuance of convertible notes | 15,752,698 |  |  | 15,752,698 |  |  |
Stock-based compensation | 3,432,796 |  |  | 3,432,796 |  |  |
Acquisition of non-controlling interest in Geneos | 3,030,107 |  |  |  |  |  | 3,030,107
Net loss attributable to common stockholders | (29,288,867) |  |  |  | (29,219,262) |  | (69,605)
Unrealized gain on short-term investments, net of tax | 819,177 |  |  |  |  | 819,177 |
Ending balance (shares) at Mar. 31, 2019 |  | 23 | 97,934,010 |  |  |  |
Ending balance at Mar. 31, 2019 | $ 80,966,251 | $ 0 | $ 97,934 | $ 727,166,934 | $ (649,645,698) | $ 290,310 | $ 3,056,771

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