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Note 18 - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

18. Valuation and qualifying accounts:

		Balance at beginning year				Charged to (recovered) costs and expenses				Write-offs during year				Balance at end of year
Allowance for doubtful accounts, excluding provision for credit notes
2014		$	91,226			$	34,540			$	—			$	125,766
2013		$	73,970			$	17,256			$	—			$	91,226
2012		$	57,415			$	16,555			$	—			$	73,970

X

- Definition

The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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- Details

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