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6. Earnings Per Share (Details Narrative) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Earnings per share:        
Antidilutive common stock equivalents 8,600,000 6,700,000 7,700,000 5,800,000