Quarterly report pursuant to Section 13 or 15(d)

NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule Earnings Per Share (Details)

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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule Earnings Per Share (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Notes to Financial Statements        
Options and warrants outstanding (in shares) 7,587,500 5,460,000 7,587,500 5,460,000
Weighted-average common shares outstanding - basic 25,181,736 26,192,920 25,098,074 25,595,913
Dilutive effect of options and warrants 1,905,325 2,627,009 2,298,340 3,133,343
Weighted-average common shares outstanding - diluted 27,087,061 28,819,929 27,396,414 28,729,256
Options and Warrants excluded from the computation of diluted income (loss) per share because the effect of inclusion would have been anti-dilutive 5,682,175 2,832,991 5,289,160 2,326,657