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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details 1) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]    
Accrued warranty reserve, beginning of period $ 942,000us-gaap_ProductWarrantyAccrual $ 522,000us-gaap_ProductWarrantyAccrual
Accrual for product warranties issued 152,000us-gaap_ProductWarrantyAccrualWarrantiesIssued 19,000us-gaap_ProductWarrantyAccrualWarrantiesIssued
Product replacements and other warranty expenditures (22,000)us-gaap_ProductWarrantyExpense (17,000)us-gaap_ProductWarrantyExpense
Expiration of warranties (218,000)us-gaap_ProductWarrantyAccrualPayments (57,000)us-gaap_ProductWarrantyAccrualPayments
Accrued warranty reserve, end of period $ 854,000us-gaap_ProductWarrantyAccrual $ 467,000us-gaap_ProductWarrantyAccrual