CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 2,174,689	$ 6,129,632
Trade accounts receivable, net	1,005,158	1,125,055
Inventory	112,257	52,175
Prepaid expenses	208,429	190,877
Total current assets	3,500,533	7,497,739
Property and equipment, net	1,956,636	2,419,891
Other Assets, non current
Patents, net	162,334	167,410
Deposits and other assets	545,296	624,598
Total other assets, non current	707,630	792,008
Total assets	6,164,799	10,709,638
Current Liabilities
Accounts payable	1,033,580	1,552,006
Payroll and related expenses	443,686	341,255
Other accrued expenses	50,056	381,015
Unearned revenue	107,808	139,437
Current notes payable		775,000
Other current obligations	1,529,564	1,426,834
Derivative valuation	9,207,200	14,759,300
Total current liabilities	12,371,894	19,374,847
Long-term Liabilities
Long-term portion of notes payable (net of discount of $992,832 and $833,332, respectively)	6,354,652	6,187,984
Other long-term obligations	276,454	1,067,649
Total long-term liabilities	6,631,106	7,255,633
Total liabilities	19,003,000	26,630,480
Commitments and contingencies
STOCKHOLDERS' DEFICIT:
Preferred stock, no par value, 20,000,000 shares authorized; none issued
Common stock, $.05 par value, 180,000,000 shares authorized; 74,078,153 and 75,576,744 shares issued as of December 31, 2010 and June 30, 2011, respectively	3,778,837	3,703,908
Additional paid-in capital	96,179,914	92,867,561
Accumulated deficit	(112,796,952)	(112,492,311)
Total stockholders' deficit	(12,838,201)	(15,920,842)
Total liabilities and stockholders' deficit	$ 6,164,799	$ 10,709,638