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Schedule II - Valuation and Qualifying Accounts: | 12 Months Ended
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Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | Schedule II – Valuation and Qualifying Accounts: The following is a summary of the allowance for doubtful accounts related to accounts receivable for the years ended December 31:
|  | 2016 |  | 2015 |
Balance at beginning of year |  | $ | 126,000 |  | $ | 230,000 |
Charged to expenses |  |  | 26,000 |  |  | 55,000 |
Uncollectible accounts written off |  |  | (15,000) |  |  | (159,000) |
Balance at end of year |  | $ | 137,000 |  | $ | 126,000 |
The following is a summary of the allowance for excess inventory for the years ended December 31:
|  | 2016 |  | 2015 |
Balance at beginning of year |  | $ | 823,000 |  | $ | 645,000 |
Charged to expenses |  |  | (11,000) |  |  | 179,000 |
Obsolete inventory written off |  |  | (18,000) |  |  | (1,000) |
Balance at end of year |  | $ | 794,000 |  | $ | 823,000 |
The following is a summary of property and equipment and the related accounts of accumulated depreciation for the years ended December 31:
|  | 2016 |  | 2015 |
Cost Basis |  |  |  |  |  |  |
Balance at beginning of year |  | $ | 39,025,000 |  | $ | 38,818,000 |
Additions |  |  | - |  |  | 207,000 |
Disposals |  |  | (775,000) |  |  | - |
Balance at end of year |  | $ | 38,250,000 |  | $ | 39,025,000 |
Accumulated depreciation |  |  |  |  |  |  |
Balance at beginning of year |  | $ | 32,472,000 |  | $ | 31,063,000 |
Depreciation |  |  | 466,000 |  |  | 1,409,000 |
Disposals |  |  | - |  |  | - |
Balance at end of year |  | $ | 32,938,000 |  | $ | 32,472,000 |

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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 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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