Schedule II - Valuation and Qualifying Accounts	12 Months Ended
Dec. 31, 2016
Notes to Financial Statements
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]	Schedule II Valuation and Qualifying Accounts (None)

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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