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Basis of Presentation (Tables) | 6 Months Ended
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Jun. 30, 2018
Accounting Policies [Abstract] |
Reclassifications to Previously Reported Amounts | Our financial statements for the three and six months ended June 30, 2017 have been revised to decrease "cost of revenues, services" and increase "cost of revenues, products" by the following immaterial amounts in order to correct a misclassification associated with Blackhawk product costs. While the revisions do impact two financial statement line items, the revisions had no impact on our net income (loss), working capital, cash flows or total equity previously reported (in thousands):
| Three Months Ended |  | Six Months Ended
| June 30, 2017 |  | June 30, 2017
Cost of revenues, exclusive of depreciation and amortization |  |  |
Services, as previously reported | $ | 60,777 |  |  | $ | 117,884 |
Blackhawk adjustment | (5,460 | ) |  | (10,884 | )
Services, as revised | $ | 55,317 |  |  | $ | 107,000 |
Products, as previously reported | $ | 17,567 |  |  | $ | 34,412 |
Blackhawk adjustment | 5,460 |  |  | 10,884 |
Products, as revised | $ | 23,027 |  |  | $ | 45,296 |
Schedule of Effect of New Accounting Pronouncements | The cumulative effect of the changes made to our consolidated January 1, 2018 balance sheet for the adoption of the new revenue standard was as follows (in thousands):
| Balance at |  | Impact of |  | Balance at
| December 31, 2017 |  | Adjustments |  | January 1, 2018
Balance Sheet |  |  |  |  |
Assets |  |  |  |  |
Inventories, net | $ | 76,420 |  |  | $ | (3,560 | ) |  | $ | 72,860 |
Liabilities |  |  |  |  |
Deferred revenue | 4,703 |  |  | (4,230 | ) |  | 473 |
Stockholders' Equity |  |  |  |  |
Retained earnings | 106,923 |  |  | 670 |  |  | 107,593 |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22663-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22644-107794 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22658-107794 + Details
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