XML 20 R50.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 12 - Share-Based Payments (Details) - Summary of Exercise Prices, Weighted Average Remaining Contractual Life and Intrinsic Values of Outstanding Options (USD $) | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |  |  |
Number Outstanding (in Shares) | 1,007,271 | 1,052,308 | 1,407,639 | 1,385,685 | 2,117,121 | 2,148,170
Weighted average exercise price per share ,options outstanding | $ 5.34 | $ 4.01 | $ 3.80 | $ 3.64 | $ 2.84 | $ 2.56
Weighted average remaining contractual life (years), options outstanding | 3 years 146 days |  |  |  |  |
Aggregate intrinsic value, options outstanding (in Dollars) | $ 9,750,282 |  |  |  |  |
Number exercisable (in Shares) | 732,683 |  |  | 1,049,810 |  |
Weighted average exercise price per share, options exercisable | $ 3.84 |  |  | $ 3.12 |  |
Aggregate intrinsic value, options exercisable (in Dollars) | 8,140,995 |  |  |  |  |
Exercise Price Range 01 [Member] |  |  |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |  |  |
Exercise price - lower | $ 2.40 |  |  |  |  |
Exercise price - higher | $ 2.40 |  |  |  |  |
Number Outstanding (in Shares) | 124,750 |  |  |  |  |
Weighted average exercise price per share ,options outstanding | $ 2.40 |  |  |  |  |
Weighted average remaining contractual life (years), options outstanding | 219 days |  |  |  |  |
Aggregate intrinsic value, options outstanding (in Dollars) | 1,563,118 |  |  |  |  |
Number exercisable (in Shares) | 124,750 |  |  |  |  |
Weighted average exercise price per share, options exercisable | $ 2.40 |  |  |  |  |
Aggregate intrinsic value, options exercisable (in Dollars) | 1,563,118 |  |  |  |  |
Exercise Price Range 02 [Member] |  |  |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |  |  |
Exercise price - lower | $ 2.48 |  |  |  |  |
Exercise price - higher | $ 2.80 |  |  |  |  |
Number Outstanding (in Shares) | 326,263 |  |  |  |  |
Weighted average exercise price per share ,options outstanding | $ 2.76 |  |  |  |  |
Weighted average remaining contractual life (years), options outstanding | 2 years 109 days |  |  |  |  |
Aggregate intrinsic value, options outstanding (in Dollars) | 3,970,110 |  |  |  |  |
Number exercisable (in Shares) | 326,263 |  |  |  |  |
Weighted average exercise price per share, options exercisable | $ 2.76 |  |  |  |  |
Aggregate intrinsic value, options exercisable (in Dollars) | 3,970,110 |  |  |  |  |
Exercise Price Range 03 [Member] |  |  |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |  |  |
Exercise price - lower | $ 2.92 |  |  |  |  |
Exercise price - higher | $ 3.76 |  |  |  |  |
Number Outstanding (in Shares) | 139,408 |  |  |  |  |
Weighted average exercise price per share ,options outstanding | $ 3.01 |  |  |  |  |
Weighted average remaining contractual life (years), options outstanding | 3 years 36 days |  |  |  |  |
Aggregate intrinsic value, options outstanding (in Dollars) | 1,662,210 |  |  |  |  |
Number exercisable (in Shares) | 115,160 |  |  |  |  |
Weighted average exercise price per share, options exercisable | $ 3.02 |  |  |  |  |
Aggregate intrinsic value, options exercisable (in Dollars) | 1,370,992 |  |  |  |  |
Exercise Price Range 04 [Member] |  |  |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |  |  |
Exercise price - lower | $ 4.20 |  |  |  |  |
Exercise price - higher | $ 15.93 |  |  |  |  |
Number Outstanding (in Shares) | 416,850 |  |  |  |  |
Weighted average exercise price per share ,options outstanding | $ 9.01 |  |  |  |  |
Weighted average remaining contractual life (years), options outstanding | 5 years 36 days |  |  |  |  |
Aggregate intrinsic value, options outstanding (in Dollars) | 2,554,844 |  |  |  |  |
Number exercisable (in Shares) | 166,510 |  |  |  |  |
Weighted average exercise price per share, options exercisable | $ 7.58 |  |  |  |  |
Aggregate intrinsic value, options exercisable (in Dollars) | $ 1,236,775 |  |  |  |  |

X
- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration