CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Revenues:        
Equipment leasing $ 1,394,189 $ 2,299,640 $ 4,971,427 $ 6,829,887
Administrative, field & support service revenues 136,666 117,941 399,943 354,870
Equipment sales 118,308 60,869 160,210 211,672
Total revenues 1,649,163 2,478,450 5,531,580 7,396,429
Operating expenses:        
Cost of revenues 603,871 726,345 1,987,407 2,325,166
Research and development 156,158 176,049 475,429 635,544
Sales, general and administrative 998,094 1,371,261 3,262,339 4,599,794
Total operating expenses 1,758,123 2,273,655 5,725,175 7,560,504
Operating income (loss) (108,960) 204,795 (193,595) (164,075)
Interest income (expense):        
Interest income       2
Interest expense (88,786) (84,710) (266,465) (830,637)
Total interest expense, net (88,786) (84,710) (266,465) (830,635)
Income (loss) before provision for income taxes (197,746) 120,085 (460,060) (994,710)
Provision for income taxes            
Net income (loss) (197,746) 120,085 (460,060) (994,710)
Preferred stock dividends and accretion (2,889) (647,652) (1,284,114) (1,389,052)
Net loss available to common stockholders $ (200,635) $ (527,567) $ (1,744,174) $ (2,383,762)
Basic and diluted loss per common share (in dollars per share) $ (0.02) $ (0.05) $ (0.15) $ (0.22)
Weighted average shares of common stock outstanding (in shares) 12,175,853 10,930,117 11,350,239 10,929,673