XML 50 R40.htm IDEA: XBRL DOCUMENT v3.5.0.2
6. Earnings Per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Earnings per share:        
Weighted average common shares - basic 24,538,000 26,234,000 24,917,000 25,936,000
Incremental common shares attibutable to exercise of outstanding options and warrants 4,573,000 5,683,000 4,715,000 6,019,000
Weighted average common shares - diluted 29,111,000 31,917,000 29,632,000 31,955,000