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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Cash flows from operating activities:    
Net income (loss) $ 323 $ (126)
Adjustments to reconcile net income (loss) to net cash provided from (used) in operating activities:    
Depreciation and amortization 244 260
Stock-based compensation 885 548
Increase (decrease) from changes in assets and liabilities:    
Accounts receivable (105) (968)
Inventories 450 (220)
Prepaid expenses and other current assets (5) 30
Accounts payable 86 337
Accrued expenses, compensation, and professional (443) (107)
Deferred revenue 406 92
Net cash provided from (used in) operating activities 1,841 (154)
Cash flows from investing activities:    
Purchases of property and equipment (88) (67)
Expenses from sale of assets   (100)
Purchases of other assets   (60)
Net cash used in investing activities (88) (227)
Cash flows from financing activities:    
Proceeds from issuance of common stock 1,684 2
Shares surrendered by employees to pay taxes related to unrestricted stock (154) (161)
Net cash provided by (used in) financing activities 1,530 (159)
Increase (decrease) in cash and cash equivalents 3,283 (540)
Cash and cash equivalents, beginning of period 39,949 39,669
Cash and cash equivalents, end of period $ 43,232 $ 39,129