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Note 13 - Stockholders' Equity - Stockholders' Equity Transactions (Details) - USD ($)

3 Months Ended

Mar. 31, 2018

Mar. 31, 2017

Balances

^[1]

$ 60,210,734

Impact of Adoption of ASU 2014-09

1,062,952

Balance on January 1, 2018

$ 61,273,686

Exercise of stock options (in shares)

12,563

68,876

Exercise of stock options

$ 7,201

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

(147,068)

Stock-based compensation (note 15)

578,182

Net income for the period

3,743,692

$ 2,446,491

^[2],[3]

Accretion of redeemable non-controlling interest in Ting Virginia, LLC.

(63,610)

Other comprehensive income (loss)

17,425

$ 105,609

^[3]

Balances

$ 65,409,508

Common Stock [Member]

Balances (in shares)

10,583,879

Balances

$ 15,368,161

Impact of Adoption of ASU 2014-09

Balance on January 1, 2018

$ 15,368,161

Exercise of stock options (in shares)

12,563

Exercise of stock options

$ 57,943

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares)

(4,327)

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

Stock-based compensation (note 15)

Accretion of redeemable non-controlling interest in Ting Virginia, LLC.

Other comprehensive income (loss)

Balances (in shares)

10,592,115

Balances

$ 15,426,104

Additional Paid-in Capital [Member]

Balances

2,166,768

Impact of Adoption of ASU 2014-09

Balance on January 1, 2018

2,166,768

Exercise of stock options

(50,742)

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

(147,068)

Stock-based compensation (note 15)

578,182

Accretion of redeemable non-controlling interest in Ting Virginia, LLC.

Other comprehensive income (loss)

Balances

2,547,140

Retained Earnings [Member]

Balances

42,675,805

Impact of Adoption of ASU 2014-09

1,062,952

Balance on January 1, 2018

43,738,757

Exercise of stock options

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

Stock-based compensation (note 15)

Net income for the period

3,743,692

Accretion of redeemable non-controlling interest in Ting Virginia, LLC.

(63,610)

Other comprehensive income (loss)

Balances

47,418,839

AOCI Attributable to Parent [Member]

Balances

Impact of Adoption of ASU 2014-09

Balance on January 1, 2018

Exercise of stock options

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

Stock-based compensation (note 15)

Accretion of redeemable non-controlling interest in Ting Virginia, LLC.

Other comprehensive income (loss)

17,425

Balances

$ 17,425

[1]	The Company has initially applied ASC 2014-09 (Topic 606) using the modified retrospective method. Under this method, the comparative information is not restated.
[2]	The Company has initially applied ASC 2014-09 (Topic 606) using the modified retrospective method. Under this method, the comparative information is not restated.
[3]	The Company has initially applied ASC 2014-09 (Topic 606) using the modified retrospective method. Under this method, the comparative information is not restated.

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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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