XML 24 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 11 - Stockholders's Equity (Details) - Stockholders’ Equity Transactions (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Jan. 31, 2013
Note 11 - Stockholders's Equity (Details) - Stockholders’ Equity Transactions [Line Items]          
Common stock, shares (in Shares)         10,056,719
Common stock, amount $ 31,115,760   $ 26,917,218    
Common stock, shares (in Shares)         10,056,719
Common stock, amount 33,643,453   33,643,453    
Exercise of stock options, shares (in Shares) 134,199 733,843 474,220 877,986  
Exercise of stock options, amount 343,953   2,399,616    
Repurchase and retirement of shares (1,099,571)   (1,181,857)    
Stock-based compensation 230,712   417,046    
Income tax effect related to stock options exercised 741,512   741,512    
Net income for the period 2,690,905 2,593,360 4,514,926 3,257,569  
Unrealized loss on foreign currency forward contracts treated as hedges (437,519)   (602,901)    
Reclassification to net income due to settlement of foreign currency forward contracts treated as hedges 57,701 92,308 437,893 119,237  
Common Stock [Member]
          
Note 11 - Stockholders's Equity (Details) - Stockholders’ Equity Transactions [Line Items]          
Common stock, shares (in Shares) 11,240,992   10,907,063    
Common stock, amount 13,513,124   11,859,267    
Common stock, shares (in Shares) 11,301,891   11,301,891    
Common stock, amount 13,984,072   13,984,072    
Exercise of stock options, shares (in Shares) 134,199   474,220    
Exercise of stock options, amount 561,107   2,219,838    
Repurchase and retirement of shares (in Shares) (73,300)   (79,392)    
Repurchase and retirement of shares (90,159)   (95,033)    
Additional Paid-in Capital [Member]
          
Note 11 - Stockholders's Equity (Details) - Stockholders’ Equity Transactions [Line Items]          
Common stock, amount 29,138,165   28,632,311    
Common stock, amount 28,883,823   28,883,823    
Exercise of stock options, amount (217,154)   179,778    
Repurchase and retirement of shares (1,009,412)   (1,086,824)    
Stock-based compensation 230,712   417,046    
Income tax effect related to stock options exercised 741,512   741,512    
Retained Earnings [Member]
          
Note 11 - Stockholders's Equity (Details) - Stockholders’ Equity Transactions [Line Items]          
Common stock, amount (11,505,358)   (13,329,379)    
Common stock, amount (8,814,453)   (8,814,453)    
Net income for the period 2,690,905   4,514,926    
Accumulated Other Comprehensive Income (Loss) [Member]
          
Note 11 - Stockholders's Equity (Details) - Stockholders’ Equity Transactions [Line Items]          
Common stock, amount (30,171)   (244,981)    
Common stock, amount (409,989)   (409,989)    
Unrealized loss on foreign currency forward contracts treated as hedges (437,519)   (602,901)    
Reclassification to net income due to settlement of foreign currency forward contracts treated as hedges $ 57,701   $ 437,893