XML 66 R50.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 11 - Stock Option Plan (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
The 1989 Non-qualified Stock Option Plan [Member] |  |
Beginning balance, number outstanding (in shares) | 35,250 | 35,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0
Canceled during period (in shares) | 0 | 0
Ending balance, number outstanding (in shares) | 35,250 | 35,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 35,250 | 35,250
Beginning balance, number outstanding, weighted average exercise price (in dollars per share) | $ 4.62 | $ 4.62
Granted during period, weighted average exercise price (in dollars per share) | 0 | 0
Exercised during period, weighted average exercise price (in dollars per share) | 0 | 0
Canceled during period, weighted average exercise price (in dollars per share) | 0 | 0
Ending balance, number outstanding, weighted average exercise price (in dollars per share) | 4.62 | 4.62
Beginning balance, number exercisable, weighted average exercise price (in dollars per share) | $ 4.62 | $ 4.62
The 2001 Non-qualified Stock Option Plan [Member] |  |
Beginning balance, number outstanding (in shares) | 124,480 | 152,480
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 28,000
Canceled during period (in shares) | 0 | 0
Ending balance, number outstanding (in shares) | 124,480 | 124,480
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 111,980 | 111,980
Beginning balance, number outstanding, weighted average exercise price (in dollars per share) | $ 4.57 | $ 4.35
Granted during period, weighted average exercise price (in dollars per share) | 0 | 0
Exercised during period, weighted average exercise price (in dollars per share) | 0 | 0
Canceled during period, weighted average exercise price (in dollars per share) | 0 | 0
Ending balance, number outstanding, weighted average exercise price (in dollars per share) | 4.57 | 4.57
Beginning balance, number exercisable, weighted average exercise price (in dollars per share) | $ 4.56 | $ 4.56
The 2007 Share Incentive Plan [Member] |  |
Beginning balance, number outstanding (in shares) | 100,000 | 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0
Canceled during period (in shares) | 0 | 0
Ending balance, number outstanding (in shares) | 100,000 | 100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 0 | 0
Beginning balance, number outstanding, weighted average exercise price (in dollars per share) |  | $ 11.17
Granted during period, weighted average exercise price (in dollars per share) |  |
Exercised during period, weighted average exercise price (in dollars per share) |  |
Canceled during period, weighted average exercise price (in dollars per share) |  |
Ending balance, number outstanding, weighted average exercise price (in dollars per share) | $ 11.17 |
Beginning balance, number exercisable, weighted average exercise price (in dollars per share) |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 28,000
Ending balance, number outstanding (in shares) | 259,730 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 159,730 |

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 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 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price of options that were either forfeited or 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 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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

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 price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=cvv_The1989NonQualifiedStockOptionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=cvv_The2001NonQualifiedStockOptionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=cvv_The2007ShareIncentivePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |