XML 34 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Schedule of Weighted Average Number of Common Shares

The denominator is based on the following weighted average number of common shares:

   

Years ended

December 31,

    2017 2016
Basic weighted average common shares outstanding    8,117,280  7,590,114
Incremental shares for assumed exercise of options         11,405       18,087
Diluted weighted average common shares outstanding    8,128,685  7,608,201