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Condensed Consolidated Balance Sheets [Parenthetical] (USD $)
Sep. 30, 2011
Dec. 31, 2010
Cash and cash equivalents$ 437,637$ 761,874
Allowance for doubtful accounts (in dollars)65,00059,000
Projects under construction1,142,7151,601,682
Due from related party (in dollars)73,000213,000
Trade payables4,559,5654,307,358
Line of credit7,605,5768,225,900
Debt discount, Notes payable - officers, Current (in dollars)05,000
Debt discount, Notes payable - officers, subordinated, Noncurrent (in dollars)00
Preferred Stock, shares authorized2,000,0002,000,000
Preferred Stock, shares issued00
Preferred Stock, shares outstanding00
Common stock, shares authorized5,000,0005,000,000
Common stock, shares issued3,210,9753,209,475
Common stock, shares outstanding3,318,8483,137,348
Treasury stock, shares72,12772,127
Variable Interest Entity, Primary Beneficiary [Member]
  
Cash and cash equivalents10,00038,000
Projects under construction569,000587,000
Trade payables24,00058,000
Line of credit$ 0$ 700,000