We complete our annual impairment tests in the fourth quarter of each year unless events or circumstances indicate that an asset may be impaired. The Company recorded an intangible asset impairment charge for the year ended March 31, 2014 of $154 to write down trade names pursuant to its decision to rename and rebrand the trademarks acquired through the MIA acquisition. There were no other indications of impairment present during the periods ended December 31, 2014 and March 31, 2014. In the period ended June 30, 2014, we finalized the purchase price allocation of MIA, which resulted in an adjustment to intangibles of $1,472. There was an increase in intangibles in the three month periods ended December 31, 2014 and March 31, 2015 for the acquisition of XYO of $1,500 and DT Media (Appia) of $17,780, respectively.

The components of intangible assets as at March 31, 2015 and 2014 were as follows:

The Company has included amortization of acquired intangible assets directly attributable to revenue-generating activities in cost of revenues. The Company has included amortization of acquired intangible assets not directly attributable to revenue-generating activities in operating expenses.

During the twelve month period ended March 31, 2015 and 2014, the Company recorded amortization expense in the amount of $2,010 and $1,769, respectively, in cost of revenues for continuing operations and $0 and $203 for discontinued operations, respectively.

Based on the amortizable intangible assets as of March 31, 2015, we estimate amortization expense for the next five years to be as follows:

Below is a summary of intangible assets: