XML 71 R34.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 3 - Revenue - Costs, Estimated Earnings, and Billings on Uncompleted Contracts (Details) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2019
--- | --- | --- | ---
Costs incurred on contracts in progress | $ 4,464,471 | $ 6,943,066 |
Estimated earnings | 2,087,396 | 3,370,032 |
Costs and Estimated Earnings on Uncompleted Contracts | 6,551,867 | 10,313,098 |
Billings to date | (6,212,229) | (10,645,800) |
Net Cost in Excess of Billings | 339,638 | (332,702) |
Deferred revenue related to non-systems contracts | (632,014) | (1,429,582) |
Contract Liability In Excess of Contract Assets | (292,376) | (1,762,284) |
Included in accompanying balance sheets |  |  |
Contract with Customer, Asset, after Allowance for Credit Loss, Total | 494,281 | 512,952 | $ 1,400,000
Contract liabilities | $ (786,657) | $ (2,275,236) | $ (500,000)

X
- Definition Amount billed to customers on uncompleted contracts. + References No definition available. + Details
Name: | cvv_BillingsToDate
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount to which contract liability exceeds contract assets for CVD. + References No definition available. + Details
Name: | cvv_ContractLiabilityInExcessOfContractAssets
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of revenue recognized on uncompleted contracts as a result of the actual costs incurred compared to estimated total costs. + References No definition available. + Details
Name: | cvv_CostsAndEstimatedEarningsOnUncompletedContracts
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Those actual material, labor and overhead costs incurred on all uncompleted contracts. + References No definition available. + Details
Name: | cvv_CostsIncurredOnUncompletedContracts
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Deferred Revenue in relation to non-systems contracts for CVD Equipment. + References No definition available. + Details
Name: | cvv_DeferredRevenuesRelatedToContracts
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Estimated earnings on the amount of revenue recognized as a result of the actual costs incurred compared to the estimated total costs of the contract. + References No definition available. + Details
Name: | cvv_EstimatedEarnings
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recognition of additional revenue in excess of that billed as a result of actual costs incurred. + References No definition available. + Details
Name: | cvv_NetCostInExcessOfBillings
Namespace Prefix: | cvv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044 + Details
Name: | us-gaap_ContractWithCustomerAssetNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant