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Note 11 - Contract Costs (Details Textual) - USD ($)

3 Months Ended

Mar. 31, 2018

Mar. 31, 2017

^[2]

Jan. 01, 2018

Dec. 31, 2017

^[1]

Capitalized Contract Cost, Net, Total

$ 1,378,336

$ 1,400,000

$ 1,403,608

Increase (Decrease) in Capitalized Costs

195,408

Capitalized Contract Cost, Amortization

220,680

Change in Capitalized Contract Costs

25,272

Capitalized Contract Cost, Impairment Loss

$ 0

Minimum [Member]

Capitalized Contract Cost, Amortization Period

2 years

Maximum [Member]

Capitalized Contract Cost, Amortization Period

10 years

[1]	The beginning balance consists entirely of a cumulative adjustment recorded on January 1st, 2018 as a result of the modified retrospective adoption of ASU 2014-09. See note 3 for additional information.
[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.

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- Definition

Amount of change in capitalized contract costs, net.

+ References

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+ References

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-SubTopic 40
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-Subparagraph (b)
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