XML 34 R28.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 9 - Employee Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2014				2013				2012
Risk-free interest rate			1.45%				0.72%				0.90%
Expected volatility			102.0%				106.0%				101.8%
Dividend yield			0%				0%				0%
Expected option term-in years			5				5				5

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Fixed Options		Options				Weighted average Exercise  Price				Weighted average remaining contractual term (in years)				Aggregate Intrinsic Value
Outstanding at January 1, 2012			695,000			$	8.33				2.66
Granted during period			40,517				11.87
Exercised			(240,000	)			6.85
Outstanding at December 31, 2012			495,517			$	9.33				2.73
Granted during period			46,402				10.64
Exercised			(45,000	)			6.70
Forfeited/Expired			(35,000	)			8.20
Outstanding at December 31, 2013			461,919				9.80				2.28
Granted during period			43,064				14.67
Exercised			(155,000	)			8.52
Outstanding at December 31, 2014			349,983				10.97				2.20				387,146
Vested at December 31, 2014			349,983				10.97				2.20				387,146

X

- Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ 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)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ 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 (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration