Statement of Cash Flows [Abstract] | |
Net loss | |
Adjustments to reconcile net loss to net cash used in operating activities: | |
Stock-based compensation | 2.65M |
Tax benefit from stock-based compensation | |
Excess tax benefit related to stock-based compensation | |
Depreciation and amortization | 733K |
Provision for excess and obsolete inventories | |
Provision for doubtful accounts receivable | |
Change in deferred tax asset net of valuation allowance | |
Gain on sale of marketable investments, net | |
Tax benefit on unrealized gains on marketable and long term investments | |
Changes in assets and liabilities: | |
Accounts receivable | -61K |
Inventories | -4.4M |
Other current assets and prepaid expenses | -690K |
Accounts payable | 1.32M |
Accrued liabilities | 886K |
Deferred rent | |
Deferred revenue | -1.19M |
Income tax liability | -18K |
Net cash used in operating activities | |
Acquisition of property and equipment | -311K |
Proceeds from sales of marketable investments | 6.15M |
Proceeds from maturities of marketable investments | 20.14M |
Purchase of marketable investments | -23.94M |
Net cash provided by investing activities | |
Proceeds from exercise of stock options and employee stock purchase plan | 6.2M |
Excess tax benefit related to stock-based compensation | |
Net cash provided by financing activities | |
Net increase in cash and cash equivalents | 407K |
Cash and cash equivalents at end of period | |
Cash and cash equivalents at beginning of period |