Description of the business and recent developments: (Tables)

6 Months Ended

Jun. 30, 2015

Description of the business and recent developments:

Schedule of diluted weighted average shares

	Three Months Ended June 30, 2015	Three Months Ended June 30, 2014	Six Months Ended June 30, 2014
Weighted average common shares - basic	44,774,831	45,897,449	46,200,844
Dilutive effect of stock options	42,749	59,270	68,504
Dilutive effect of restricted stock	236,927	338,247	379,067
Weighted average common shares - diluted	45,054,507	46,294,966	46,648,415