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Note 12 - Stockholders' Equity - Stockholders' Equity Transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Balances	$ 45,125,346		$ 37,817,086	$ 37,817,086
Exercise of stock options (in shares)	30,051	31,065		165,673	94,602
Exercise of stock options	$ 68,066		172,903
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration	(116,956)		(1,438,497)
Stock-based compensation (note 13)	202,902		833,987
Net income for the period	3,439,266	$ 4,741,279	11,127,241	$ 11,127,241	$ 13,250,303
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.	(12,600)		(37,648)
Other comprehensive income (loss)	(8,071)	$ 73,091	222,881	222,881	$ 1,063,242
Balances	$ 48,697,953		$ 48,697,953	$ 48,697,953
Common Stock [Member]
Balances (in shares)	10,552,401		10,461,574
Balances	$ 15,125,326		$ 14,460,500
Exercise of stock options (in shares)	30,051		165,673
Exercise of stock options	$ 159,307		$ 824,133
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares)	(4,903)		(49,698)
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration
Stock-based compensation (note 13)
Net income for the period
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.
Other comprehensive income (loss)
Balances (in shares)	10,577,549		10,577,549	10,577,549
Balances	$ 15,284,633		$ 15,284,633	$ 15,284,633
Additional Paid-in Capital [Member]
Balances	1,607,476		2,857,921
Exercise of stock options	(91,241)		(651,230)
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration	(116,956)		(1,438,497)
Stock-based compensation (note 13)	202,902		833,987
Net income for the period
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.
Other comprehensive income (loss)
Balances	1,602,181		1,602,181	1,602,181
Retained Earnings [Member]
Balances	28,062,438		20,399,511
Exercise of stock options
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration
Stock-based compensation (note 13)
Net income for the period	3,439,266		11,127,241
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.	(12,600)		(37,648)
Other comprehensive income (loss)
Balances	31,489,104		31,489,104	31,489,104
AOCI Attributable to Parent [Member]
Balances	330,106		99,154
Exercise of stock options
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration
Stock-based compensation (note 13)
Net income for the period
Accretion of redeemable non-controlling interest in Ting Virginia, LLC.
Other comprehensive income (loss)	(8,071)		222,881
Balances	$ 322,035		$ 322,035	$ 322,035

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The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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