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v3.7.0.1

Consolidated Statements of Income and Comprehensive Income (Loss) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues: |  |  |
Net product revenue | $ 32,478,185 | $ 33,013,184 | $ 36,683,762
Other revenue | 547,375 | 505,867 | 218,109
Net revenues | 33,025,560 | 33,519,051 | 36,901,871
Costs and expenses: |  |  |
Cost of products sold | 5,958,660 | 4,968,170 | 5,053,165
Selling and marketing | 14,553,481 | 13,994,768 | 14,902,202
Research and development | 3,190,700 | 3,847,651 | 3,389,419
General and administrative | 8,561,811 | 7,607,588 | 8,401,560
Amortization | 2,194,039 | 1,989,264 | 1,596,689
Total costs and expenses | 34,458,691 | 32,407,441 | 33,343,035
Operating income (loss) | (1,433,131) | 1,111,610 | 3,558,836
Interest income | 204,661 | 209,183 | 251,447
Interest expense | (106,392) | (73,856) | (67,074)
Income (loss) before income taxes | (1,334,862) | 1,246,937 | 3,743,209
Income tax (expense) benefit | 330,924 | (575,829) | (1,380,744)
Net income (loss) | (1,003,938) | 671,108 | 2,362,465
Net loss at subsidiary attributable to noncontrolling interests | 59,255 | 60,243 | 61,258
Net income (loss) attributable to common shareholders | $ (944,683) | $ 731,351 | $ 2,423,723
Earnings (loss) per share attributable to common shareholders: |  |  |
Basic (in USD per share) | $ (0.06) | $ 0.04 | $ 0.14
Diluted (in USD per share) | $ (0.06) | $ 0.04 | $ 0.14
Weighted-average common shares outstanding: |  |  |
Basic (in shares) | 16,236,525 | 16,715,970 | 17,617,765
Diluted (in shares) | 16,236,525 | 17,094,754 | 17,899,632
Comprehensive income (loss) attributable to common shareholders | $ (944,683) | $ 731,351 | $ 2,423,723
Net loss at subsidiary attributable to noncontrolling interests | 59,255 | 60,243 | 61,258
Total comprehensive income (loss) | $ (1,003,938) | $ 671,108 | $ 2,362,465

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration