Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Cash Flows from Operating Activities:    
Net (loss) income $ (26,470) $ 2,155
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation and amortization 4,256 6,808
Amortization of intangible assets 0 1,229
Loss on disposal of fixed assets 2 1,147
Stock-based compensation 1,607 1,753
Impairment charges 20,899 8,099
Gain on sale of businesses 0 (17,319)
Deferred income taxes (338) 88
Changes in operating assets and liabilities, net of effect of divestitures:    
Accounts receivable (608) 349
Inventory 731 2,900
Prepaid expenses, deferred costs and other current assets (76) 3,433
Other assets 19 38
Accounts payable (2,105) (4,100)
Partner commissions payable 0 (1,100)
Accrued royalties payable (669) (1,591)
Accrued and other liabilities 1,022 (1,580)
Assets and liabilities held for sale 0 (2,608)
Deferred revenue (116) (1,584)
Net cash used in operating activities (1,846) (1,883)
Cash Flows from Investing Activities    
Purchase of short-term investments (23,808) (27,570)
Proceeds from maturities of short-term investments 17,610 9,960
Purchase of property and equipment (4,089) (3,346)
Capitalization of software and website development costs (2,415) (1,903)
Proceeds from disposal of fixed assets 29 12
Change in restricted cash 3,417 (3,417)
Proceeds from sale of business, net of expenses paid 0 34,438
Net cash (used in) provided by investing activities (9,256) 8,174
Cash Flows from Financing Activities:    
Principal payments on capital lease obligations (565) (492)
Proceeds from exercise of common stock options 5 399
Repurchase of common stock (1,021) (4,184)
Net cash used in financing activities (1,581) (4,277)
Change in cash of discontinued operations 0 3,678
Net (decrease) increase in cash and cash equivalents (12,683) 5,692
Cash and cash equivalents—beginning of period 32,663 26,971
Cash and cash equivalents—end of period 19,980 32,663
Supplemental Disclosures of Cash Flow Information:    
Cash paid for interest 44 77
Income taxes refunded during the period (13) (1,094)
Non-cash Investing and Financing Activities:    
Accrued purchases of property and equipment 103 30
Note receivable from sale of business $ 0 $ 405