Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Operations (Unaudited)

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Consolidated Statements of Operations (Unaudited) (USD $)
 12 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2011
Income Statement [Abstract]      
Revenues $ 27,616,000 $ 36,079,000 $ 46,847,000
Costs and expenses:      
Cost of sales 22,042,000 27,509,000 35,777,000
Engineering 715,000 740,000 1,033,000
Research and development       1,894,000
Selling, general and administrative 8,700,000 12,324,000 12,371,000
Impairment of goodwill 438,000      
Impairment of capitalized software    2,387,000 0
Total costs and expenses 31,895,000 42,960,000 51,075,000
Loss from operations (4,279,000) (6,881,000) (4,228,000)
Interest income 22,000      
Interest expense 311,000 386,000 286,000
Currency loss (52,000) (65,000) (135,000)
Other income    4,078,000 20,000
Total other income (expense) (341,000) 3,627,000 (401,000)
Loss before income tax expense (4,620,000) (3,254,000) (4,629,000)
Income tax expense 5,000 5,000 5,000
Net loss $ (4,625,000) $ (3,259,000) $ (4,634,000)
Net loss per common share      
Basic $ (2.60) $ (1.84) $ (3.11)
Diluted $ (2.60) $ (1.84) $ (3.11)