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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract] |
Schedule II Valuation and Qualifying Accounts | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
|  |  | Additions |  |  |  |
| Balance at Beginning of Period (1) |  | Charged to Costs and Expenses (2) |  | Credited to Other Accounts (3) |  | Amount Written Off (4) |  | Balance at End of Period (1)
| (In thousands)
Year ended December 31, 2013 |  |  |  |  |  |  |  |  |
Accounts receivable | $ | 722 |  |  | $ | 195 |  |  | $ | (67 | ) |  | $ | (360 | ) |  | $ | 490 |
Investment in sales-type leases | 607 |  |  | 49 |  |  | — |  |  | (489 | ) |  | 167 |
Total allowances deducted from assets | $ | 1,329 |  |  | $ | 244 |  |  | $ | (67 | ) |  | $ | (849 | ) |  | $ | 657 |
Year ended December 31, 2014 |  |  |  |  |  |  |  |  |
Accounts receivable | $ | 490 |  |  | $ | 941 |  |  | $ | (60 | ) |  | $ | (165 | ) |  | $ | 1,206 |
Investment in sales-type leases | 167 |  |  | — |  |  | (5 | ) |  | — |  |  | 162 |
Total allowances deducted from assets | $ | 657 |  |  | $ | 941 |  |  | $ | (65 | ) |  | $ | (165 | ) |  | $ | 1,368 |
Year ended December 31, 2015 |  |  |  |  |  |  |  |  |
Accounts receivable | $ | 1,206 |  |  | $ | 453 |  |  | $ | 28 |  |  | $ | (447 | ) |  | $ | 1,240 |
Investment in sales-type leases | 162 |  |  | (99 | ) |  | 106 |  |  | — |  |  | 169 |
Total allowances deducted from assets | $ | 1,368 |  |  | $ | 354 |  |  | $ | 134 |  |  | $ | (447 | ) |  | $ | 1,409 |
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(1) | Allowance for doubtful accounts.
(2) | Represents amounts charged to bad debt expense.
(3) | Represents amounts credited to bad debt expense.
(4) | Represents amounts written-off, net of recoveries.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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- References No definition available. + Details
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