Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net loss	$ (14,088)	$ (10,426)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	839	769
Bad debts	9
Loss from debt extinguishment		18
Write-off of property	119
Discount amortization on notes payable	753	574
Non-controlling interest		(44)
Interest paid with common stock		87
Stock-based compensation	3,005	2,133
Changes in assets and liabilities:
Accounts receivable	(823)	(16)
Other current assets	93	1
Other assets	(131)	5
Accounts payable	472	260
Accrued claims payable	5,766	3,568
Other accrued expenses	(23)	116
Net cash used in operating activities	(4,009)	(2,955)
Cash flows from investing activities:
Acquisition of non-controlling interest in subsidiary		(135)
Purchase of property and equipment	(39)	(294)
Net cash used in investing activities	(39)	(429)
Cash flows from financing activities:
Net proceeds from sale of common stock	1,018	1,450
Debt issuance costs	(150)
Proceeds from borrowings	4,000	3,635
Repayment of debt	(401)	(1,832)
Retirement of common stock	(150)
Net cash provided by financing activities	4,317	3,253
Net increase (decrease) in cash	269	(131)
Cash at beginning of period	563	694
Cash at end of period	832	563
Supplemental disclosures of cash flow information:
Interest	512	351
Income taxes	204	109
Non-cash investing and financing activities:
Property acquired directly with proceeds of capital leases	37	424
Conversion of Series C preferred to common stock	198
Conversion of notes payable and related accrued interest to common stock		2,200
Options and warrants issued for outside services	$ 274