Sale of Algenist and Discontinued Operations Balance Sheet Reclassifications (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets of discontinued operations	$ 0	$ 13,389
Current liabilities of discontinued operations	0	2,914
Noncurrent liabilities of discontinued operations	$ 0	26
Algenist skincare | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable		1,941
Inventories		8,806
Prepaid expenses and other current assets		2,642
Current assets of discontinued operations		13,389
Property, plant and equipment, net		348
Accounts payable		2,065
Accrued liabilities		849
Current liabilities of discontinued operations		2,914
Noncurrent liabilities of discontinued operations		$ 26