Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
	Jul. 01, 2016	Jun. 30, 2016
Stock Option [Member] | Subsequent Event [Member]
Equity [Line Items]
Repurchase of common stock, shares	842,114
Repurchase of common stock, per share amount	$ 7.75
Tender Offer [Member] | Stock Option [Member] | Subsequent Event [Member]
Equity [Line Items]
Number of shares cancelled during period	194,610
Tender Offer [Member] | Stock Option [Member] | Gaiam Brand Business [Member] | Subsequent Event [Member]
Equity [Line Items]
Repurchase of common stock, shares	842,114
Repurchase of common stock, per share amount	$ 7.75
Tender Offer [Member] | Stock Option [Member] | Gaiam Brand Business [Member] | Subsequent Event [Member] | Accelerated Vesting [Member]
Equity [Line Items]
Repurchase of common stock, shares	189,610
Class A Common Stock [Member]
Equity [Line Items]
Issuance of shares for charitable contribution		50,000
Payments of stock issuance cost for charitable contribution		$ 0.4
Issuance of common stock options exercises		183,000
Proceeds from stock options exercised		$ 1.0
Class A Common Stock [Member] | Subsequent Event [Member]
Equity [Line Items]
Repurchase of common stock, shares	9,636,848
Class A Common Stock [Member] | Tender Offer [Member] | Gaiam Brand Business [Member] | Subsequent Event [Member]
Equity [Line Items]
Repurchase of common stock, shares	9,636,848
Class A Common Stock [Member] | Long-Term Incentive Plan 2009 [Member]
Equity [Line Items]
Issuance of shares for compensation		11,000