Financial Results 23 Acquisition Expenses The acquisition related expenses, amortizations and adjustments above were recorded in the following Consolidated Statements of Income categories for the years ended December 31, 2013, 2012 and 2011: On August 4, 2011, we closed on the acquisition of Bluesocket, Inc. and on May 4, 2012, we closed on the acquisition of the  NSN BBA business. Acquisition related expenses, amortizations and adjustments for the years ended December 31, 2013, 2012 and 2011 for both transactions are as follows: (In Thousands) 2013 2012 2011 Revenue (adjustments to unearned revenue recognized in the period) $929 $1,528 $362 Cost of goods sold 196 1,086 165 Subtotal $1,125 $2,614 $527 Selling, general and administrative expenses $399 4,510 2,557 Research and development expenses 2,515 2,266 689 Subtotal $2,914 $6,776 $3,246 Total acquisition related expenses, amortizations and adjustments $4,039 $9,390 $3,773 Tax effect  (1,343) (3,148) (1,434) Total acquisition related expenses, amortizations and adjustments, net of tax $2,696 $6,242 $2,339 (In Thousands) 2013 2012 2011 Bluesocket, Inc. acquisition Amortization of acquired intangible assets $1,069 $1,020 $495 Amortization of other purchase accounting adjustments 73 443 521 Acquisition related professional fees, travel and other expenses — — 730 Subtotal $1,142 $1,463 $1,746 NSN BBA acquisition Amortization of acquired intangible assets $1,174 $762 — Amortization of other purchase accounting adjustments 1,378 2,305 — Acquisition related professional fees, travel and other expenses 345 4,860 2,027 Subtotal $2,897 $7,927 $2,027 Total acquisition related expenses, amortizations and adjustments $4,039 $9,390 $3,773 Tax effect  (1,343) (3,148) (1,434) Total acquisition related expenses, amortizations and adjustments, net of tax $2,696 $6,242 $2,339