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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Cash flows from operating activities: |  |
Net loss | $ (10,532,000) | $ (2,532,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Gain on change in fair value of derivative-warrants | (1,236,000) | (3,580,000)
(Gain) loss on change in fair value of derivative-preferred stock | 4,770,000 | (1,410,000)
Warrant extension expense | 2,316,000 | 0
Gain on negotiated payables | (241,000) | (1,324,000)
Depreciation and amortization | 419,000 | 233,000
Stock option compensation expense | 390,000 | 1,066,000
Stock issued to directors and employees | 305,000 | 0
Stock and warrants issued for services | 77,000 | 602,000
Change in operating assets and liabilities: |  |
Receivables | (507,000) | 685,000
Inventory | (43,000) | (151,000)
Prepaid expenses and other current assets | (212,000) | 31,000
Restricted cash | 330,000 | (330,000)
Other assets | 17,000 | (15,000)
Accounts payable and accrued expenses | 567,000 | 53,000
Dividends payable | 319,000 | 271,000
Accrued interest payable | (98,000) | (28,000)
Deferred revenue | (596,000) | (1,180,000)
Net cash used in operating activities | (3,955,000) | (7,609,000)
Cash flows from investing activities: |  |
Capital expenditures | (13,000) | (40,000)
Net cash used in investing activities | (13,000) | (40,000)
Cash flows from financing activities: |  |
Payment of debt | (2,750,000) | (2,750,000)
Proceeds from preferred stock issuances, net of costs | 4,654,000 | 5,826,000
Net cash provided by financing activities | 1,904,000 | 3,076,000
Net decrease in cash and cash equivalents | (2,064,000) | (4,573,000)
Cash and cash equivalents at beginning of year | 2,460,000 | 7,033,000
Cash and cash equivalents at end of year | 396,000 | 2,460,000
Supplemental cash flow information: |  |
Cash paid for interest | 388,000 | 720,000
Supplemental disclosure of noncash transactions |  |
Shares issued for dividends on preferred stock | 22,000 | 1,000
Warrants issued for placement agent fees | 0 | 39,000
Preferred stock dividends in dividends payable | 1,999,000 | 1,774,000
Dividends payable exchanged for preferred stock | $ 5,297,000 | $ 0

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