Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net loss	$ (48,000)	$ (2,368,000)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation and amortization	386,000	90,000
Non-cash stock compensation	72,000	173,000
Warrant derivative gain	(1,837,000)
Provision for bad debts	60,000	106,000
Changes in assets and liabilities:
Accounts receivable	(277,000)	220,000
Supplies, prepaid expenses and other assets	(69,000)	88,000
Accounts payable, accrued expenses and other	112,000	66,000
Net cash flows from operating activities	(1,601,000)	(1,625,000)
Investing activities:
Purchase of property and equipment	(13,000)	(17,000)
Net cash flows from investing activities	(13,000)	(17,000)
Financing activities:
Net proceeds from issuance of Series B convertible preferred and common stock	1,825,000
Net proceeds from exercise of common stock warrants	993,000
Payment of accrued issuance costs from issuance of Series A convertible preferred stock	(106,000)
Repayment of capital lease obligations	(65,000)	(29,000)
Net cash flows from financing activities	2,647,000	(29,000)
Change in cash and cash equivalents	1,033,000	(1,671,000)
Cash and cash equivalents, beginning	2,372,000	6,385,000
Cash and cash equivalents, ending	3,405,000	4,714,000
Property and equipment purchased on capital leases		19,000
Deemed dividends from issuing Series B convertible preferred stock	$ 417,000