XML 48 R49.htm IDEA: XBRL DOCUMENT
v3.20.1

Stockholders' Equity - Schedule of Option Activity (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Service-Based Stock Options [Member] |  |
Number of Options, Beginning Balance | 13,820,000 | 10,960,800
Number of Shares, Granted | 1,425,000 | 3,400,000
Number of Shares, Cancelled | (200,000) | (550,000)
Number of Shares, Expired |  | 40,800
Number of Options, Ending balance | 15,045,000 | 13,820,000
Number of Options, Exercisable | 11,805,416 | 10,805,416
Exercise Price per Share, Begining balance |  |
Exercise Price per Share, Granted |  |
Exercise Price per Share, Cancelled | $ 0.40 |
Exercise Price per Share, Exercised |  | 0.2
Exercise Price per Share, Expired |  |
Weighted Average Remaining Contractual Life, Beginning | 4 years 4 months 2 days | 3 years 4 months 28 days
Weighted Average Remaining Contractual Life, Granted | 9 years 6 months 18 days | 6 years 10 months 25 days
Weighted Average Remaining Contractual Life, Cancelled | 7 years 9 months |
Weighted Average Remaining Contractual Life, Exercised |  | 3 years 4 months 28 days
Weighted Average Remaining Contractual Life, Expired | 0 years | 0 years
Weighted Average Remaining Contractual Life, Ending | 4 years 9 months 11 days | 4 years 4 months 2 days
Weighted Average Remaining Contractual Life, Exercisable | 3 years 9 months 3 days | 3 years 7 months 17 days
Weighted Average Exercise Price per Share, Beginning balance | $ 0.26 | $ 0.26
Weighted Average Exercise Price per Share, Granted | 0.72 | 0.39
Weighted Average Exercise Price per Share, Cancelled | 0.40 |
Weighted Average Exercise Price per Share, Exercised |  | 0.20
Weighted Average Exercise Price per Share, Expired |  | 0.20
Weighted Average Exercise Price per Share, Ending balance | 0.30 | 0.26
Weighted Average Exercise Price per Share, Exercisable | 0.25 | 0.24
Service-Based Stock Options [Member] | Minimum [Member] |  |
Exercise Price per Share, Begining balance | 0.20 | 0.20
Exercise Price per Share, Granted | 0.23 | 0.30
Exercise Price per Share, Ending balance | 0.20 | 0.20
Exercise Price per Share, Exercisable | 0.20 | 0.20
Service-Based Stock Options [Member] | Maximum [Member] |  |
Exercise Price per Share, Begining balance | 0.40 | 0.40
Exercise Price per Share, Granted | 1.50 | 0.40
Exercise Price per Share, Ending balance | 0.40 | 0.40
Exercise Price per Share, Exercisable | $ 0.40 | $ 0.40
Performance-Based Stock Options [Member] |  |
Number of Options, Beginning Balance | 15,425,000 |
Number of Shares, Granted |  | 15,425,000
Number of Shares, Cancelled | (8,600,000) |
Number of Shares, Expired |  |
Number of Options, Ending balance | 6,825,000 | 15,425,000
Number of Options, Exercisable | 3,175,000 | 3,175,000
Exercise Price per Share, Begining balance |  |
Exercise Price per Share, Granted |  |
Exercise Price per Share, Cancelled |  |
Exercise Price per Share, Exercised |  |
Weighted Average Remaining Contractual Life, Beginning | 5 years 5 months 16 days | 0 years
Weighted Average Remaining Contractual Life, Granted | 0 years | 5 years 5 months 16 days
Weighted Average Remaining Contractual Life, Cancelled | 7 years 3 months 26 days | 0 years
Weighted Average Remaining Contractual Life, Expired | 0 years | 0 years
Weighted Average Remaining Contractual Life, Ending | 3 years 1 month 9 days | 5 years 5 months 16 days
Weighted Average Remaining Contractual Life, Exercisable | 2 years 7 months 17 days | 2 years 7 months 17 days
Weighted Average Exercise Price per Share, Beginning balance | $ 0.27 |
Weighted Average Exercise Price per Share, Granted |  | 0.27
Weighted Average Exercise Price per Share, Cancelled | 0.31 |
Weighted Average Exercise Price per Share, Expired |  |
Weighted Average Exercise Price per Share, Ending balance | 0.23 | 0.27
Weighted Average Exercise Price per Share, Exercisable | 0.40 | 0.40
Performance-Based Stock Options [Member] | Minimum [Member] |  |
Exercise Price per Share, Begining balance | 0.25 |
Exercise Price per Share, Granted |  | 0.25
Exercise Price per Share, Cancelled | 0.25 |
Exercise Price per Share, Ending balance | 0.25 | 0.25
Exercise Price per Share, Exercisable | 0.25 | 0.25
Performance-Based Stock Options [Member] | Maximum [Member] |  |
Exercise Price per Share, Begining balance | 0.40 |
Exercise Price per Share, Granted |  | 0.40
Exercise Price per Share, Cancelled | 0.40 |
Exercise Price per Share, Ending balance | 0.40 | 0.40
Exercise Price per Share, Exercisable | $ 0.40 | $ 0.40

X
- Definition Weighted Average Remaining Contractual Life, Exercised. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsExercisedWeightedAverageContractualLife
Namespace Prefix: | CVLB_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted Average Remaining Contractual Life, Expired. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsExpiredWeightedAverageContractualLife
Namespace Prefix: | CVLB_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted Average Remaining Contractual Life, Cancelled. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsForfeitedWeightedAverageContractualLife
Namespace Prefix: | CVLB_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted Average Remaining Contractual Life, Granted. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsGrantedWeightedAverageContractualLife
Namespace Prefix: | CVLB_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted Average Remaining Contractual Life. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsWeightedAverageContractualLife
Namespace Prefix: | CVLB_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted Average Remaining Contractual Life, Ending. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsWeightedAverageContractualLifeOne
Namespace Prefix: | CVLB_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise Price per Share, Exercisable. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableExercisePrice
Namespace Prefix: | CVLB_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise Price per Share, balance. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingExercisePrice
Namespace Prefix: | CVLB_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise Price per Share, Exercised. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisedInPeriodExercisePrice
Namespace Prefix: | CVLB_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Exercise Price per Share, Expired. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodExercisePrice
Namespace Prefix: | CVLB_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise Price per Share, Cancelled. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodExercisePrice
Namespace Prefix: | CVLB_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise Price per Share, Granted. + References No definition available. + Details
Name: | CVLB_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodExercisePrice
Namespace Prefix: | CVLB_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&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://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&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://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&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 grantees could have acquired the underlying shares with respect to stock options of the plan that expired. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
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 Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=CVLB_ServiceBasedStockOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |