v3.7.0.1

Note 14 - Stock Based Compensation - Non-vested Option Activity (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Non-vested shares (in shares) \| shares	67,150
Non-vested shares (in dollars per share) \| $ / shares	$ 2.88
Granted (in shares) \| shares
Granted (in dollars per share) \| $ / shares
Vested (in shares) \| shares	(16,668)
Vested (in dollars per share) \| $ / shares	$ 2.88
Forfeited/Expired (in shares) \| shares	(50,482)
Forfeited/Expired (in dollars per share) \| $ / shares	$ 2.88
Non-vested options (in shares) \| shares
Non-vested options (in dollars per share) \| $ / shares

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

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of non-vested options outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of non-vested options forfeited.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of options vested.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Note 14 - Stock Based Compensation - Non-vested Option Activity (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Non-vested shares (in shares) \| shares	67,150
Non-vested shares (in dollars per share) \| $ / shares	$ 2.88
Granted (in shares) \| shares
Granted (in dollars per share) \| $ / shares
Vested (in shares) \| shares	(16,668)
Vested (in dollars per share) \| $ / shares	$ 2.88
Forfeited/Expired (in shares) \| shares	(50,482)
Forfeited/Expired (in dollars per share) \| $ / shares	$ 2.88
Non-vested options (in shares) \| shares
Non-vested options (in dollars per share) \| $ / shares

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