XML 57 R69.htm IDEA: XBRL DOCUMENT v2.4.0.8
Selected Quarterly Financial Data (Unaudited) - Quarterly Financial Information of Income Statement (Detail) (USD $)
 3 Months Ended 12 Months Ended
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Income Statement [Abstract]                      
Operating revenues $ 3,770,000 $ 4,788,000 $ 5,330,000 $ 4,777,000 $ 4,874,000 $ 5,073,000 $ 5,737,000 $ 8,344,000 $ 18,665,250 $ 24,027,570 $ 40,925,058
Operating expenses 4,347,000 4,686,000 5,186,000 4,888,000 4,761,000 4,743,000 5,217,000 6,630,000 19,106,805 21,351,222 29,903,607
Other income (loss) (83,000) (16,000) 161,000 201,000 (233,000) 465,000 143,000 (552,000) 262,567 (176,961) 1,008,568
Pretax Income (Loss) (660,000) 86,000 305,000 90,000 (120,000) 795,000 663,000 1,162,000 (178,988) 2,499,387 12,030,019
Net income (loss) (450,000) 41,000 166,000 49,000 (116,000) 487,000 409,000 750,000 (194,212) 1,530,434 7,832,647
Comprehensive income (loss) $ (598,000) $ 470,000 $ (31,000) $ 151,000 $ (430,000) $ 639,000 $ 436,000 $ 309,000 $ (8,262) $ 954,240 $ 8,319,757
Earnings (loss) per share:                      
Basic $ (0.02)   $ 0.01   $ (0.01) $ 0.03 $ 0.03 $ 0.05 $ (0.01) $ 0.10 $ 0.51
Diluted $ (0.02)   $ 0.01   $ (0.01) $ 0.03 $ 0.03 $ 0.05 $ (0.01) $ 0.10 $ 0.51