Condensed Consolidated Balance Sheet (unaudited) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 6,950,451	$ 8,983,281
Accounts receivable	527,464	2,022,292
Inventory	259,302	683,546
Prepaid expenses and deposits	152,293	365,506
Other receivables	47,945	48,717
Total current assets	7,937,455	12,103,342
Long term receivables - net	205,313	205,313
Property and equipment - net	2,426,514	2,507,814
Other assets	0	10,000
TOTAL ASSETS	10,569,282	14,826,469
Current liabilities
Accounts payable	245,645	870,009
Accrued expenses	234,850	1,005,682
Accrued compensation	480,359	507,341
Customer deposits	42,954	126,282
Billings in excess of costs	1,614	6,505
Total current liabilities	1,005,422	2,515,819
Total liabilities	1,005,422	2,515,819
Commitments and contingencies - See Note 9
Stockholders' equity
Series A Convertible Preferred Stock, $.001 par value, 2,000,000 shares authorized; 107,172 shares issued and outstanding at June 30, 2011 and at December 31, 2010	107	107
Common stock, $.001 par value, 125,000,000 shares authorized; 91,371,191 shares issued and outstanding at June 30, 2011 and 91,068,357 shares issued and outstanding at December 31, 2010	91,371	91,068
Additional paid-in capital	79,040,055	78,738,520
Accumulated deficit	(69,567,673)	(66,519,045)
Total stockholders' equity	9,563,860	12,310,650
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 10,569,282	$ 14,826,469