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Schedule II | 12 Months Ended
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Dec. 31, 2013
Schedule II [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (in thousands)
Allowances deducted from assets: |  | Balance at beginning of year |  | Additions charged to costs and expenses (2) |  | Charged (credited) to other accounts |  | Describe charged to other accounts |  | Deductions |  | Describe deductions |  | Balance at end of year
For the year ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable(1) |  | $ | 497 |  |  | $ | 63 |  |  | $ | (96 | ) |  | (3) |  | $ | (21 | ) |  | (4) |  | $ | 443 |
Investment in sales-type leases(1) |  | 411 |  |  | — |  |  | (22 | ) |  | (5) |  | (105 | ) |  | (4) |  | 284 |
Total allowances deducted from assets |  | $ | 908 |  |  | $ | 63 |  |  | $ | (118 | ) |  |  |  | $ | (126 | ) |  |  |  | $ | 727 |
For the year ended December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable(1) |  | $ | 443 |  |  | $ | 316 |  |  | $ | (57 | ) |  | (3) |  | $ | 20 |  |  | (4) |  | $ | 722 |
Investment in sales-type leases(1) |  | 284 |  |  | 425 |  |  | — |  |  | (3) |  | (102 | ) |  | (4) |  | 607 |
Total allowances deducted from assets |  | $ | 727 |  |  | $ | 741 |  |  | $ | (57 | ) |  |  |  | $ | (82 | ) |  |  |  | $ | 1,329 |
For the year ended December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable(1) |  | $ | 722 |  |  | 195 |  |  | (67 | ) |  | (3) |  | (360 | ) |  | (4) |  | 490 |
Investment in sales-type leases (1) |  | 607 |  |  | 49 |  |  | — |  |  |  |  | (489 | ) |  | (4) |  | 167
Total allowances deducted from assets |  | $ | 1,329 |  |  | $ | 244 |  |  | $ | (67 | ) |  |  |  | $ | (849 | ) |  |  |  | $ | 657 |
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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.
(5) | Represents amounts credited to bad debt expense and lease receivable adjustment.

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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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