CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,783,945)	$ (1,908,003)
Income attributable to noncontrolling interest	4,199	197,505
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,315,861	911,125
Provision for losses on accounts receivable	110,229	57,576
Amortization of deferred financing costs	2,256	8,526
Change in fair value of warrant liability	(427,042)	(59,681)
Stock-based compensation	667,000	228,736
Changes in operating assets and liabilities
Restricted cash	65,790	(65,790)
Accounts receivable and unbilled revenue	(295,033)	(188,572)
Due from related party	31,292	193,857
Inventory	(146,396)	(108,421)
Prepaid and other current assets	(224,283)	9,504
Increase (decrease) in:
Accounts payable	37,691	(257,557)
Accrued expenses and other current liabilities	218,258	(24,274)
Other long-term liabilities	43,052	0
Due to related party	153,127	143,189
Net cash used in operating activities	(2,227,944)	(862,280)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(1,643,534)	(5,771,223)
Sale of short-term investments	0	678,921
Net cash used in investing activities	(1,643,534)	(5,092,302)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of convertible debentures	17,000,000	0
Proceeds from issuance of warrants	0	736,284
Proceeds from exercise of warrants	0	350,000
Proceeds from sale of common stock, net of costs	0	1,286,855
Proceeds from sale of subsidiary common stock, net of costs	1,148,401	2,226,019
Proceeds from exercise of stock options	33,838	54,775
Proceeds from related party line of credit	0	2,400,000
Convertible debenture transaction costs	(67,664)	(21,556)
Principal payments on capital lease obligations	(3,365)	(3,365)
Cancellation of restricted stock	(20)	0
Distributions to noncontrolling interest	(359,741)	(302,598)
Net cash provided by financing activities	17,751,449	6,726,414
Net increase in cash and cash equivalents	13,879,971	771,832
Cash and cash equivalents, beginning of the year	3,921,054	3,149,222
Cash and cash equivalents, end of the year	17,801,025	3,921,054
Supplemental disclosures of cash flows information:
Interest	343,750	114,116
Income taxes	91,931	31,329
Non-cash investing and financing activities:
Conversion of convertible debentures to common stock	0	5,320,000
Conversion of due to related party to convertible debentures	2,400,000	0
Forgiveness of related party debt in exchange for reduction in noncontrolling interest	$ 0	$ 124,111