Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Income from Discontinued Operations Amounts as Reported on Consolidated Statements of Operations (Detail)

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Discontinued Operations - Income from Discontinued Operations Amounts as Reported on Consolidated Statements of Operations (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Gain on disposal of discontinued operations:                
Income (loss) from discontinued operations, net of tax $ 429 $ 106 $ 100,595 $ 646 $ (3,498) $ 429 $ 97,848 $ (2,687)
Gaiam Brand Segment [Member]                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Net revenue             52,627 174,559
Cost of revenues             32,975 100,652
Gross profit             19,652 73,907
Operating expenses             33,641 73,118
Income (loss) from operations             (13,989) 789
Other income (expense), net             234 (1,560)
Loss before income taxes and noncontrolling interest             (13,755) (771)
Income tax expense (benefit)           (429) (4,831) 1,222
Loss from discontinued operations attributable to the non-controlling interest, net of tax             (310) (694)
Income (loss) from the operation of discontinued operations           429 (9,234) (2,687)
Gain on disposal of discontinued operations:                
Gain on sale of Gaiam Brand segment             124,826  
Write-off of assets impacted by, but not included in sale             3,740  
Income tax expense             14,004  
Income (loss) from discontinued operations, net of tax           $ 429 $ 97,848 $ (2,687)