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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2015
Jul. 31, 2014
ASSETS    
Cash and cash equivalents $ 15,346us-gaap_CashAndCashEquivalentsAtCarryingValue $ 17,455us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable, net of allowances 11,795us-gaap_AccountsReceivableNetCurrent 12,470us-gaap_AccountsReceivableNetCurrent
Inventories 8,283us-gaap_InventoryNet 8,690us-gaap_InventoryNet
Prepaid expenses and other 1,593us-gaap_PrepaidExpenseCurrent 2,121us-gaap_PrepaidExpenseCurrent
Total current assets 37,017us-gaap_AssetsCurrent 40,736us-gaap_AssetsCurrent
Property, plant and equipment, net 7,567us-gaap_PropertyPlantAndEquipmentNet 7,730us-gaap_PropertyPlantAndEquipmentNet
Goodwill 7,452us-gaap_Goodwill 7,452us-gaap_Goodwill
Intangible assets, net 7,122us-gaap_IntangibleAssetsNetExcludingGoodwill 8,108us-gaap_IntangibleAssetsNetExcludingGoodwill
Other assets 385us-gaap_OtherAssetsNoncurrent 385us-gaap_OtherAssetsNoncurrent
Total assets 59,543us-gaap_Assets 64,411us-gaap_Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY    
Loan payable 3,013us-gaap_LineOfCredit 3,013us-gaap_LineOfCredit
Accounts payable – trade 6,840us-gaap_AccountsPayableTradeCurrent 8,245us-gaap_AccountsPayableTradeCurrent
Accrued liabilities 12,007us-gaap_AccruedLiabilitiesCurrent 12,917us-gaap_AccruedLiabilitiesCurrent
Other current liabilities 830us-gaap_OtherLiabilitiesCurrent 790us-gaap_OtherLiabilitiesCurrent
Total current liabilities 22,690us-gaap_LiabilitiesCurrent 24,965us-gaap_LiabilitiesCurrent
Deferred taxes 119us-gaap_DeferredTaxLiabilitiesNoncurrent 183us-gaap_DeferredTaxLiabilitiesNoncurrent
Other liabilities 1,872us-gaap_OtherLiabilitiesNoncurrent 2,313us-gaap_OtherLiabilitiesNoncurrent
Total liabilities 24,681us-gaap_Liabilities 27,461us-gaap_Liabilities
Commitments and contingencies      
Stockholders’ equity:    
Preferred Stock, $.01 par value; authorized 25,000,000 shares; no shares issued or outstanding      
Common Stock, $.01 par value; authorized 75,000,000 shares; shares issued and outstanding: 45,374,074 at January 31, 2015 and 44,239,183 at July 31, 2014 454us-gaap_CommonStockValue 443us-gaap_CommonStockValue
Additional paid-in capital 322,738us-gaap_AdditionalPaidInCapitalCommonStock 317,160us-gaap_AdditionalPaidInCapitalCommonStock
Accumulated deficit (290,217)us-gaap_RetainedEarningsAccumulatedDeficit (282,397)us-gaap_RetainedEarningsAccumulatedDeficit
Accumulated other comprehensive income 1,887us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax 1,744us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Total stockholders’ equity 34,862us-gaap_StockholdersEquity 36,950us-gaap_StockholdersEquity
Total liabilities and stockholders’ equity $ 59,543us-gaap_LiabilitiesAndStockholdersEquity $ 64,411us-gaap_LiabilitiesAndStockholdersEquity