Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Income (Unaudited)

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Condensed Statements of Income (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Revenue:    
Product leases and royalties $ 4,360,356 $ 3,473,841
Product sales and service 339 1,455
Total revenue 4,360,695 3,475,296
Costs and expenses:    
Cost of ancillary products and assembled components 22,758 20,882
Selling, general and administrative 2,585,070 2,086,169
Research and development 193,402 138,047
Depreciation and amortization 451,560 436,085
Share-based compensation 166,478 49,837
Total costs and expenses 3,419,268 2,731,020
Income from operations 941,427 744,276
Other income (expense):    
Interest expense (366,093) (445,332)
Foreign currency exchange gains 105,801 7,797
Change in estimated fair value of warrant liability   (66,500)
Interest income 442  
Total other expense (259,850) (504,035)
Income before provision for income taxes 681,577 240,241
Provision for income taxes (144,779) (77,974)
Net income $ 536,798 $ 162,267
Net income per share, basic and diluted $ 0.01 $ 0.00
Weighted-average shares outstanding:    
Basic 39,763,802 39,305,591
Diluted 42,153,901 40,817,678