Annual report pursuant to Section 13 and 15(d)

Earnings per share (Details)

v3.7.0.1
Earnings per share (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Numerator:    
Net income attributable to the Company $ 6,117,927 $ 3,854,082
Weighted-average shares outstanding    
- Basic 15,105,235 15,096,166
- Dilutive effects of equity incentive awards 8,679 190,030
- Diluted 15,113,914 15,286,196
Net income per share:    
- Basic $ 0.41 $ 0.26
- Diluted $ 0.4 $ 0.25