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Business Acquisitions (Tables) | 9 Months Ended
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Jan. 31, 2014
Business Combinations [Abstract] |
Schedule of Purchase Price Allocation to Net Assets Acquired | The purchase price allocated to net assets acquired and the residual amount allocated to goodwill during the nine months ended January 31, 2014 and 2013 are as follows:
|  | Nine Months Ended January 31, |
|  | 2014 |  |  | 2013 |
Equipment |  | $ | 2,013 |  |  | $ | 9,403 |
Goodwill |  |  | 3,108 |  |  |  | 14,575 |
Intangible assets |  |  | 4,302 |  |  |  | 9,601 |
Current assets |  |  | 814 |  |  |  | 1,475 |
Current liabilities |  |  | (241 | ) |  |  | (7,118 | )
Total |  | $ | 9,996 |  |  | $ | 27,936 |
Schedule of Unaudited Proforma Combined Financial Information | The following unaudited pro forma combined financial information shows the results of our operations for the three and nine months ended January 31, 2014 and 2013 as though each of the acquisitions made in the nine months ended January 31, 2014 and the twelve months ended April 30, 2013 had occurred as of May 1, 2012.
|  | Three Months Ended January 31, |  |  | Nine Months Ended January 31, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Revenue |  | $ | 118,210 |  |  | $ | 116,385 |  |  | $ | 382,786 |  |  | $ | 366,889 |
Operating (loss) income |  | $ | (1,215 | ) |  | $ | 584 |  |  | $ | 18,671 |  |  | $ | 12,227 |
Net loss attributable to common stockholders |  | $ | (10,721 | ) |  | $ | (11,274 | ) |  | $ | (10,965 | ) |  | $ | (40,537 | )
Basic and diluted loss per common share attributable to common stockholders |  | $ | (0.27 | ) |  | $ | (0.29 | ) |  | $ | (0.28 | ) |  | $ | (1.25 | )
Basic and diluted weighted average shares outstanding |  |  | 39,882 |  |  |  | 39,230 |  |  |  | 39,789 |  |  |  | 32,365 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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