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Note 13 - Stockholders' Equity - Stockholders' Equity Transactions (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Common Stock [Member]        
Balances (in shares) 10,422,453   10,685,599  
Balances $ 14,295,907   $ 14,530,633  
Exercise of stock options (in shares) 31,065   94,602  
Exercise of stock options $ 105,419   $ 291,332  
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares) (5,235)   (23,502)  
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration    
Income tax effect related to stock options exercised    
Stock-based compensation (note 14)    
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.    
Other comprehensive income (loss)    
Balances (in shares) 10,448,283   10,448,283  
Balances $ 14,401,326   $ 14,401,326  
Exercise of stock options (in shares) 31,065   94,602  
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares) (5,235)   (23,502)  
Repurchase and retirement of shares (note 13) (in shares)     (308,416)  
Repurchase and retirement of shares (note 13)     $ (420,639)  
Additional Paid-in Capital [Member]        
Balances $ 2,234,541   8,526,395  
Exercise of stock options (57,043)   (183,660)  
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (76,537)   (318,770)  
Income tax effect related to stock options exercised 268,565   714,764  
Stock-based compensation (note 14) 195,439   585,854  
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.    
Other comprehensive income (loss)    
Balances 2,564,965   2,564,965  
Repurchase and retirement of shares (note 13)     (6,759,618)  
Retained Earnings [Member]        
Balances 12,866,227   4,381,849  
Exercise of stock options    
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration    
Income tax effect related to stock options exercised    
Stock-based compensation (note 14)    
Net income for the period 4,741,279   13,250,303  
Accretion of redeemable non-controlling interest in Ting Virginia, LLC. (12,398)   (37,044)  
Other comprehensive income (loss)    
Balances 17,595,108   17,595,108  
Repurchase and retirement of shares (note 13)      
AOCI Attributable to Parent [Member]        
Balances (119,301)   (1,109,452)  
Exercise of stock options    
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration    
Income tax effect related to stock options exercised    
Stock-based compensation (note 14)    
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.    
Other comprehensive income (loss) 73,091   1,063,242  
Balances (46,210)   (46,210)  
Repurchase and retirement of shares (note 13)      
Balances $ 29,277,374   $ 26,329,425  
Exercise of stock options (in shares) 31,065 41,404 94,602 229,057
Exercise of stock options $ 48,376   $ 107,672  
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (76,537)   (318,770)  
Income tax effect related to stock options exercised 268,565   714,764  
Stock-based compensation (note 14) 195,439   585,854  
Net income for the period 4,741,279 $ 3,159,457 13,250,303 $ 8,278,395
Accretion of redeemable non-controlling interest in Ting Virginia, LLC. (12,398)   (37,044)  
Other comprehensive income (loss) 73,091 $ (360,006) 1,063,242 $ (570,888)
Balances $ 34,515,189   $ 34,515,189  
Exercise of stock options (in shares) 31,065 41,404 94,602 229,057
Repurchase and retirement of shares (note 13)     $ (7,180,257)