Amount of capitalized advertising costs.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- 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.

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No definition available.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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No definition available.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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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.

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Summary of Significant Accounting Policies (Narrative) (Details) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018 USD ($) shares	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) shares	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) segment shares	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($)	Jan. 01, 2018 USD ($)	Jul. 01, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net revenue	$ 48,874	$ 40,771	$ 42,207	$ 38,104	$ 46,895	$ 39,025	$ 42,144	$ 39,400	$ 169,956	$ 167,464	$ 155,528
Allowance for doubtful accounts receivable	2,100				600				2,100	600
Accounts receivable, net	$ 66,202				60,102				66,202	60,102		$ 66,437
Loss on equity securities									900
Goodwill, impairment loss					$ 304,100					304,123
Impairment of trademark		$ 17,900				$ 36,500			$ 17,899	$ 340,628
Preferred stock, shares outstanding \| shares	0				0				0	0
Advertising expenses									$ 13,900	$ 6,900	9,600
Capitalized advertising costs	$ 0				$ 400				$ 0	400
Number of operating segments \| segment									1
Number of reportable segments \| segment									1
Minimum [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Useful Lives									2 years
Maximum [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Impairment of trademark										100
Useful Lives									15 years
Advertising Member
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net revenue									$ 3,700	3,700
Cost of Revenue									1,300
Trademarks [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Impairment of trademark									17,899	36,505
Gaiam Brand Holdco, LLC [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net revenue											$ 12,000
Equity method investment, noncontrolling interest													49.90%
Equity method investments	$ 700				$ 800				$ 700	$ 800
Accounts Receivable [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage									44.00%	53.00%
Accounts Receivable [Member] \| License One [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage									19.00%	25.00%
Accounts Receivable [Member] \| License Two [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage									13.00%	15.00%
Accounts Receivable [Member] \| License Three [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage									12.00%	13.00%
Sales Revenue, Services, Net [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage										11.00%
Sales Revenue, Services, Net [Member] \| License One [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage									13.00%	11.00%
Sales Revenue, Services, Net [Member] \| License Three [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage									0.00%
FUL [Member] \| Trademarks [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loss on sale of assets									$ 2,000