Income taxes	3 Months Ended
Mar. 31, 2020
Income taxes
Income taxes	11. Income taxes Income tax expense during the three months ended March 31, 2020 and 2019 resulted from minimum tax obligations. During the three months ended March 31, 2020 and 2019, the Company recorded no income tax benefits for the net operating losses incurred, due to its uncertainty of realizing a benefit from those items. The Company’s losses before income taxes were generated in the United States and Austria. The Company has evaluated the positive and negative evidence bearing upon its ability to realize the deferred tax assets resulting from its net operating loss carryforwards. Management has considered the Company’s history of cumulative net losses incurred since inception and its lack of commercialization of any products or generation of any revenue from product sales since inception and has concluded that it is more likely than not that the Company will not realize the benefits of its deferred tax assets. Accordingly, a full valuation allowance has been established against the deferred tax assets as of March 31, 2020 and December 31, 2019. Management reevaluates the positive and negative evidence at each reporting period.

Income taxes

3 Months Ended

Mar. 31, 2020

11. Income taxes

Income tax expense during the three months ended March 31, 2020 and 2019 resulted from minimum tax obligations. During the three months ended March 31, 2020 and 2019, the Company recorded no income tax benefits for the net operating losses incurred, due to its uncertainty of realizing a benefit from those items. The Company’s losses before income taxes were generated in the United States and Austria. The Company has evaluated the positive and negative evidence bearing upon its ability to realize the deferred tax assets resulting from its net operating loss carryforwards. Management has considered the Company’s history of cumulative net losses incurred since inception and its lack of commercialization of any products or generation of any revenue from product sales since inception and has concluded that it is more likely than not that the Company will not realize the benefits of its deferred tax assets. Accordingly, a full valuation allowance has been established against the deferred tax assets as of March 31, 2020 and December 31, 2019. Management reevaluates the positive and negative evidence at each reporting period.