XML 51 R41.htm IDEA: XBRL DOCUMENT v3.7.0.1
6. Earnings Per Share (Details Narrative) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Earnings per share:        
Antidilutive common stock equivalents 8,700,000 7,900,000 7,000,000 7,400,000