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Note 3 - Recent Accounting Pronouncements - Impact of Changes to Financial Statements (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017 | [1]
Assets |  |  |  |  |  |  |  |
Contract costs (note 11) | $ 1,354,000 |  |  | $ 1,354,000 |  |  | $ 1,400,000 |
Total assets | 340,282,000 |  |  | 340,282,000 |  |  |  | $ 350,650,000
Liabilities and Shareholders' Equity |  |  |  |  |  |  |  |
Deferred tax liability (note 8) | 19,577,000 |  |  | 19,577,000 |  |  |  | 19,834,000
Retained earnings | 51,027,000 |  |  | 51,027,000 |  |  |  | 42,676,000
Total Liabilities and Shareholders' Equity | 340,282,000 |  |  | 340,282,000 |  |  |  | $ 350,650,000
Sales and marketing | 7,852,000 | $ 7,447,000 | [2] | 16,217,000 | $ 14,667,000 | [2] |  |
Income before provision for income taxes | 4,836,000 | 6,325,000 | [2] | 9,763,000 | 8,644,000 | [2] |  |
Provision for income tax (note 8) | 1,228,000 | 1,083,000 |  | 2,411,000 | 958,000 |  |  |
Net income for the period | 3,608,000 | 5,242,000 | [2],[3] | 7,352,000 | 7,686,000 | [2],[3] |  |
Change in Capitalized Contract Costs | 25,000 |  | [3] | 50,000 |  | [3] |  |
Deferred income taxes (recovery) | (445,000) | (2,885,000) | [3] | (492,000) | (1,565,000) | [3] |  |
Net cash provided by operating activities | 5,754,000 | $ 8,131,000 | [3] | 15,327,000 | $ 10,534,000 | [3] |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |
Contract costs (note 11) | (1,354,000) |  |  | (1,354,000) |  |  |  |
Total assets | (1,354,000) |  |  | (1,354,000) |  |  |  |
Liabilities and Shareholders' Equity |  |  |  |  |  |  |  |
Deferred tax liability (note 8) | (329,000) |  |  | (329,000) |  |  | (300,000) |
Retained earnings | (1,025,000) |  |  | (1,025,000) |  |  | $ (1,100,000) |
Total Liabilities and Shareholders' Equity | (1,354,000) |  |  | (1,354,000) |  |  |  |
Sales and marketing | (25,000) |  |  | (50,000) |  |  |  |
Income before provision for income taxes | 25,000 |  |  | 50,000 |  |  |  |
Provision for income tax (note 8) | 6,000 |  |  | 12,000 |  |  |  |
Net income for the period | 19,000 |  |  | 38,000 |  |  |  |
Change in Capitalized Contract Costs | (25,000) |  |  | (50,000) |  |  |  |
Deferred income taxes (recovery) | 6,000 |  |  | 12,000 |  |  |  |
Net cash provided by operating activities | 0 |  |  |  |  |  |  |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |
Contract costs (note 11) | 0 |  |  | 0 |  |  |  |
Total assets | 338,928,000 |  |  | 338,928,000 |  |  |  |
Liabilities and Shareholders' Equity |  |  |  |  |  |  |  |
Deferred tax liability (note 8) | 19,248,000 |  |  | 19,248,000 |  |  |  |
Retained earnings | 50,002,000 |  |  | 50,002,000 |  |  |  |
Total Liabilities and Shareholders' Equity | 338,928,000 |  |  | 338,928,000 |  |  |  |
Sales and marketing | 7,827,000 |  |  | 16,167,000 |  |  |  |
Income before provision for income taxes | 4,861,000 |  |  | 9,813,000 |  |  |  |
Provision for income tax (note 8) | 1,234,000 |  |  | 2,423,000 |  |  |  |
Net income for the period | 3,627,000 |  |  | 7,390,000 |  |  |  |
Change in Capitalized Contract Costs | 0 |  |  | 0 |  |  |  |
Deferred income taxes (recovery) | (439,000) |  |  | (480,000) |  |  |  |
Net cash provided by operating activities | $ 5,754,000 |  |  | $ 15,327,000 |  |  |  |
[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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