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Business Combinations - Adjustments to Original Purchase Price Allocation (Details) - USD ($) $ in Thousands | 21 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2016 | May 02, 2015 | Aug. 11, 2014
Business Acquisition [Line Items] |  |  |
Goodwill | $ 8,116 | $ 5,269 |
Data Display [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill | 1,463 |  | $ 1,099
Goodwill, Adjustments | 364 |  |
Property and equipment | 1,433 |  | 1,433
Investment for affiliates | 437 |  | 437
Inventory | 2,624 |  | 2,773
Inventory, Adjustments | (149) |  |
Accounts receivable | 3,063 |  | 3,380
Accounts receivable, Adjustments | (317) |  |
Other current assets | 1,892 |  | 1,869
Other current assets, Adjustments | 23 |  |
Current liabilities | 3,695 |  | 3,616
Current liabilities, Adjustments | 79 |  |
Long term debt obligations | 950 |  | 950
Unpatented Technology [Member] | Data Display [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets other than goodwill | 480 |  | 480
Customer Relationships [Member] | Data Display [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets other than goodwill | $ 84 |  | $ 84

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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