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Goodwill and Intangible Assets (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 120 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 31, 2017 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2026
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Assets acquired |  |  |  | $ 75,000 |  |
Amortization expense |  |  |  | $ 1,004,000 |  |
Weighted average remaining useful life in years |  |  |  | 2 years |  |
Goodwill expected tax deductible amount |  | $ 0 |  | $ 0 |  |
General and administrative |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization expense |  |  |  | $ 1,004,000 | $ 980,000 |
Subscriber relationships |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Weighted average remaining useful life in years |  |  |  | 2 years 6 months |  |
Distribution rights |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Weighted average remaining useful life in years |  |  |  | 9 months 18 days |  |
Acquisition Prior to 2013 |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Useful life |  |  |  | 7 years |  |
Headland Media Limited | Subscriber relationships |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Useful life |  |  |  | 10 years |  |
Headland Media Limited | Distribution rights |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Useful life |  | 1 year | 15 years |  |  |
Q1 2017 Acquisition | Subscriber relationships |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Useful life | 10 years |  |  |  |  |
Assets acquired | $ 100,000 |  |  | $ 346,000 |  |
Assets consideration |  |  |  | $ 75,000 | $ 94,000 |
Forecast | Q1 2017 Acquisition | Maximum |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Assets consideration |  |  |  |  |  | $ 114,000

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + 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=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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