v2.4.0.6
Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Operating activities    
Net income $ 1,495 $ 1,133
Less: gain from discontinued operations 191 1,871
Income (loss) from continuing operations 1,304 (738)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Non-cash change in estimated fair value of contingent liabilities 1,841 (513)
Depreciation and amortization 670 678
Realized gain on investment    (17)
Share-based compensation 1,124 709
Deferred income taxes 66 (35)
Increase (Decrease) in Interest Payable, Net 142 85
Other (13) (10)
Changes in operating assets and liabilities,:    
Accounts receivable (33) 4,118
Inventory 102 (44)
Other current assets (157) (462)
Other long-term assets 66 175
Accounts payable and accrued liabilities (2,098) (3,506)
Other liabilities (120)   
Deferred revenue (174) (609)
Net cash provided by (used in) operating activities of continuing operations 2,720 (169)
Net cash used in operating activities of discontinued operations (642) (200)
Net cash provided by (used in) operating activities 2,078 (369)
Investing activities    
Payments to CVR holders    (4,549)
Purchases of property and equipment (37) (19)
Proceeds from sale of property and equipment 3 13
Proceeds from sale of short-term investments    8,500
Net cash (used in) provided by investing activities (34) 3,945
Financing activities    
Proceeds from issuance of debt    7,500
Repayment of debt (9,714) (8,500)
Net proceeds from stock option exercises 326 160
Net cash used in financing activities (9,388) (840)
Net (decrease) increase in cash and cash equivalents (7,344) 2,736
Cash and cash equivalents at beginning of period 12,381 7,041
Cash and cash equivalents at end of period 5,037 9,777
Supplemental Disclosure of cash flow information    
Interest paid 991 631
Taxes paid    $ 17