| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
The following table reconciles the weighted-average shares outstanding for basic and diluted net loss per share for the three and nine months ended September 30, 2015 and 2014:
| | | Three Months Ended | | Nine Months Ended | | | | | September 30, | | September 30, | | | | | 2015 | | 2014 | | 2015 | | 2014 | | | Basic: | | | | | | | | | | | | | | | Net loss | | $ | (1,233,327) | | $ | (2,840,754) | | $ | (3,886,613) | | $ | (3,513,827) | | | Weighted average shares used in computing basic loss per share | | | 9,730,728 | | | 8,358,718 | | | 9,712,721 | | | 6,199,350 | | | Net loss per share - Basic | | $ | (0.13) | | $ | (0.34) | | $ | (0.40) | | $ | (0.57) | | | | | | | | | | | | | | | | | | Diluted: | | | | | | | | | | | | | | | Net loss | | $ | (1,233,327) | | $ | (2,840,754) | | $ | (3,886,613) | | $ | (3,513,827) | | | Weighted average shares used in computing diluted loss per share | | | 9,730,728 | | | 8,358,718 | | | 9,712,721 | | | 6,199,350 | | | Net loss per share - Diluted | | $ | (0.13) | | $ | (0.34) | | $ | (0.40) | | $ | (0.57) | |
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