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Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Apr. 30, 2012
Apr. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) $ 328 $ (248)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Stock-based compensation expense 3 36
Depreciation and amortization 77 235
Realized gain on available-for-sale securities (5)  
Provision for doubtful trade accounts receivable 3 107
Loss on disposal of property and equipment   14
Imputed interest expense on notes payable 101 239
Changes in net assets and liabilities:    
Trade accounts receivable 1,467 21
Trade accounts receivable/payable - related party   8
Inventories 672 (850)
Prepaid and other assets (104) (59)
Trade accounts payable (1,178) (180)
Accrued expenses and other (177) (459)
Net cash provided by (used in) operating activities 1,187 (1,136)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (163) (68)
Capitalized software development costs   (218)
Net cash used in investing activities (163) (286)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Repayment of note payable (168) (860)
Proceeds from employee stock purchase plan 20 19
Net cash provided by (used in) financing activities (148) (841)
Effect of exchange rate changes on cash   2
Net increase (decrease) in cash and cash equivalents 876 (2,261)
Cash and cash equivalents, beginning of period 1,542 4,108
Cash and cash equivalents, end of period 2,418 1,847
Supplemental cash flow information:    
Interest paid $ 168 $ 310