Stock Options (Details 1) - $ / shares	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Common Stock, Capital Shares Reserved for Future Issuance [Roll Forward]
Balances	385,369	387,208
Exercised		(1,839)
Balances	385,369	385,369
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balances	147,705	131,164
Granted	6,000	20,500
Exercised		(1,839)
Forfeited or expired	(7,400)	(2,120)
Balances	146,305	147,705
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balances	$ 13.24	$ 13.24
Granted	6.34	10.34
Exercised		6.25
Forfeited or expired	30.27	21.22
Balances	13.24	13.24
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balances	2.70	2.70
Granted	6.34	11.27
Exercised		2.70
Forfeited or expired	29.50	19.95
Balances	2.70	2.70
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balances	30.55	30.55
Granted	6.34	11.39
Exercised		7.50
Forfeited or expired	30.55	21.30
Balances	$ 18.22	$ 30.55

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Number of exercised shares reserved for future issance.

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Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)-(4)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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