XML 50 R31.htm IDEA: XBRL DOCUMENT
v3.20.2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 26, 2018 shares | Mar. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) tranche | Mar. 31, 2020 USD ($) system $ / shares shares | Mar. 31, 2019 USD ($) system shares | Apr. 10, 2020 | Feb. 14, 2020 | Dec. 31, 2018 USD ($)
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  | 11.50% |
Loss from sale of property and equipment |  |  |  | $ 0 | $ 0 |  |  |
Debt Instrument, Fair Value Disclosure |  | $ 33,700,000 |  | $ 33,700,000 |  |  |  |
Weighted Average Cost of Capital, Percent |  |  |  | 17.00% |  |  |  |
Fair Value Inputs, Federal and State Tax Rate |  |  |  |  | 20.00% |  |  |
Number of Projection Systems Sold | system |  |  |  | 152 | 321 |  |  |
Activation Fee Revenue, Per Screen |  |  | $ 2,000 |  |  |  |  |
Activation fee revenue, lower range |  |  |  |  |  |  |  | $ 1,000
Activation fee revenue, upper range |  |  |  |  |  |  |  | $ 2,000
Contract with Customer, Liability |  | 2,600,000 |  | $ 2,600,000 |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  | 4,200,000 | $ 4,100,000 |  |  |
Total stock-based compensation |  | 177,000 |  | 543,000 | $ 1,576,000 |  |  |
Share-based Compensation Expense, Adjustment |  |  |  | $ 166,000 |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares |  |  |  | 4,117,323 | 4,195,371 |  |  |
Convertible Debt Securities [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares |  |  |  | 9,999,999 | 9,999,999 |  |  |
Up-front Payment Arrangement [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Administrative Fee VPFs |  |  |  |  |  |  |  | 10.00%
Services |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Administrative Fee VPFs |  |  |  |  |  |  |  | 5.00%
Incentive Fees, Percentage of VPF Phase I |  |  |  |  |  |  |  | 2.50%
Content & Entertainment |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Total stock-based compensation |  | $ 26,000 |  | $ 55,000 | $ 328,000 |  |  |
Class A common stock |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Total stock-based compensation |  |  |  | $ 263,000 | $ 263,000 |  |  |
Issuance of common stock for professional services of third parties (in shares) | shares |  |  |  | 374,286 | 225,862 |  |  |
Stock Appreciation Rights (SARs) [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Issued (in shares) | shares |  |  |  | 0 | 2,277,830 |  |  |
Forfeited (in shares) | shares |  |  |  | 0 |  |  |  |
Total stock-based compensation |  |  |  | $ 441,000 | $ 566,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | shares |  | 1,462,610 |  | 1,462,610 | 1,462,610 |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Issued (in shares) | shares |  |  |  | 10,000 |  |  |  |
Total stock-based compensation |  |  |  | $ 5,000 | $ 4,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares |  |  |  | $ 1.52 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | shares |  |  |  | 3,333 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | shares |  | 6,667 |  | 6,667 |  |  |  |
Performance Shares [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Issued (in shares) | shares | 1,941,402 |  |  | 0 |  |  |  |
Forfeited (in shares) | shares |  |  |  | 694,534 |  |  |  |
Total stock-based compensation |  |  |  | $ 744,000 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Awards, Number of Tranches | tranche |  |  | 2 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ / shares |  | $ 0.00 |  | $ 0.00 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period | shares |  |  |  | 27,256 | 550,818 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | shares |  | 696,050 |  | 696,050 | 1,390,584 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Payment Term |  |  | 30 days |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Payment Term |  |  | 90 days |  |  |  |  |
Product [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Aggregate Sales Price of Systems |  |  |  | $ 1,600,000 | $ 3,700,000 |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  | $ 1,400,000 | 2,800,000 |  |  |
Tranche B [Member] | Performance Shares [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Forfeited (in shares) | shares |  |  |  | 667,278 |  |  |  |
Prepaid Expense and Other Assets, Current [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Loss from sale of property and equipment |  |  |  | $ 900,000 | $ 1,300,000 |  |  |
Executive Officer [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Forfeited (in shares) | shares |  |  |  | 815,220 |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  | 15.00% |  |

X
- Definition Activation Fee Revenue, Per Screen + References No definition available. + Details
Name: | cidm_ActivationFeeRevenuePerScreen
Namespace Prefix: | cidm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Range of revenue on Phase 2 DC systems the company recognizes for activation fees per unit, maximum. + References No definition available. + Details
Name: | cidm_ActivationFeeRevenueRangeMaximum
Namespace Prefix: | cidm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Range of revenue on Phase 2 DC systems the company recognizes for activation fees per unit, minimum. + References No definition available. + Details
Name: | cidm_ActivationFeeRevenueRangeMinimum
Namespace Prefix: | cidm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Administrative fee percentage (of Virtual Print Fees collected) that the company will deduct from VPFs remitted to exhibitors, in exchange for the management and administration of billing and collections of VPFs. Specific to Phase 2 DC systems and CDF2 systems. + References No definition available. + Details
Name: | cidm_AdministrativeFeesVpf
Namespace Prefix: | cidm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate Sales Price of Systems + References No definition available. + Details
Name: | cidm_AggregateSalesPriceofSystems
Namespace Prefix: | cidm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value Inputs, Federal and State Tax Rate + References No definition available. + Details
Name: | cidm_FairValueInputsFederalAndStateTaxRate
Namespace Prefix: | cidm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition IIncentive Fees, Percentage of VPF Phase I + References No definition available. + Details
Name: | cidm_IncentiveFeesPercentageofVPFPhaseI
Namespace Prefix: | cidm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Projection Systems Sold + References No definition available. + Details
Name: | cidm_NumberofProjectionSystemsSold
Namespace Prefix: | cidm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue from Contract with Customer, Payment Term + References No definition available. + Details
Name: | cidm_RevenuefromContractwithCustomerPaymentTerm
Namespace Prefix: | cidm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Awards, Number of Tranches + References No definition available. + Details
Name: | cidm_SharebasedCompensationArrangementbySharebasedPaymentAwardsNumberofTranches
Namespace Prefix: | cidm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Expense, Adjustment + References No definition available. + Details
Name: | cidm_SharebasedCompensationExpenseAdjustment
Namespace Prefix: | cidm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Weighted Average Cost of Capital, Percent + References No definition available. + Details
Name: | cidm_WeightedAverageCostofCapitalPercent
Namespace Prefix: | cidm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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=118944033&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=118956577&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=118944033&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + 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 (b) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DeferredRevenueArrangementLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit 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 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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://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)-(4) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=us-gaap_UpFrontPaymentArrangementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cidm_ServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cidm_ContentAndEntertainmentSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
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: |

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: | srt_ProductOrServiceAxis=us-gaap_ProductMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=cidm_TrancheBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=cidm_PrepaidExpenseandOtherAssetsCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |