Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Preferred Stock with Par Value [Member]
Preferred stock, par value (in dollars per share)	$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000
Preferred stock, shares issued (in shares)	0
Preferred Stock, No Par Value [Member]
Preferred stock, shares issued (in shares)	0
Preferred stock, no par value (in dollars per share)	$ 0
Common Stock with Par Value [Member]
Common stock, par value (in dollars per share)	$ 0.0001
Common stock, shares authorized (in shares)	75,000,000
Common stock, shares issued (in shares)	10,661,201
Common stock, shares outstanding (in shares)	10,661,201
Common stock, shares issued (in shares)	10,661,201
Common stock, shares outstanding (in shares)	10,661,201
Common Stock with No Par Value [Member]
Common stock, shares issued (in shares)		7,490,288
Common stock, shares outstanding (in shares)		7,490,288
Common stock, no par value (in dollars per share)		$ 0
Common stock, shares issued (in shares)		7,490,288
Common stock, shares outstanding (in shares)		7,490,288

Face amount per share of no-par value common stock.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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