4. Acquisition and Divestitures Clinical Instruments International, Inc. In July 2013, we entered into an asset purchase agreement with Clinical Instruments International, Inc. (Clinical Instruments) to acquire substantially all the assets of Clinical Instruments for $1.1 million. We paid $0.9 million at the closing and paid the remaining $0.2 million in October 2014. We accounted for the acquisition as a business combination. Assets acquired include inventory and intellectual property. We recorded $0.2 million of inventory, $0.3 million of intangible assets and $0.6 million of goodwill. The weighted-average amortization period for the acquired intangible assets as of July 31, 2013 was 5.7 years. The goodwill will be deductible for tax purposes over 15 years. InaVein LLC In August 2013, we entered into an asset purchase agreement with InaVein LLC (InaVein) to acquire substantially all the assets of InaVein for $2.5 million and potential acquisition-related contingent consideration totaling up to $1.4 million in 2014 and 2015 dependent on the sales performance of the acquired business and the timing of regulatory approval in China. We paid $2.1 million at the closing and paid the remaining $0.4 million in September 2014. We accounted for the acquisition as a business combination. Assets acquired include receivables, inventory, equipment, and intellectual property. Liabilities assumed include payables and service contracts. We recorded $0.8 million of tangible assets, $1.1 million of intangible assets, $0.7 million of goodwill, and $0.1 million of assumed liabilities. The weighted-average amortization period for the acquired intangible assets as of August 31, 2013 was 6.7 years. The goodwill will be deductible for tax purposes over 15 years. The contingent consideration was initially valued at the date of acquisition and is remeasured each reporting period until the contingency is resolved. Based upon stronger than expected sales to China, we recorded an increase of $0.1 million in the contingent consideration depe