| Period Ending | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Net Income | 341,000 | -114,000 | -629,000 | 220,000 |
| Operating Activities, Cash Flows Provided By or Used In |
| Depreciation | 1,586,000 | 1,279,000 | 1,149,000 | 1,062,000 |
| Adjustments To Net Income | 643,000 | 1,351,000 | 2,256,000 | 1,069,000 |
| Changes In Accounts Receivables | -109,000 | 35,000 | -99,000 | 97,000 |
| Changes In Liabilities | -73,000 | 10,000 | 13,000 | 8,000 |
| Changes In Inventories | -250,000 | -204,000 | -329,000 | -287,000 |
| Changes In Other Operating Activities | -121,000 | -326,000 | -137,000 | -12,000 |
| Total Cash Flow From Operating Activities | 1,827,000 | 2,124,000 | 2,283,000 | 2,145,000 |
| Investing Activities, Cash Flows Provided By or Used In |
| Capital Expenditures | -1,032,000 | -866,000 | -1,133,000 | -1,311,000 |
| Investments | -21,000 | -95,000 | 180,000 | 12,000 |
| Other Cash flows from Investing Activities | 16,000 | 15,000 | -41,000 | 81,000 |
| Total Cash Flows From Investing Activities | -1,177,000 | -946,000 | -74,000 | -2,041,000 |
| Financing Activities, Cash Flows Provided By or Used In |
| Dividends Paid | -301,000 | -134,000 | -67,000 | -52,000 |
| Sale Purchase of Stock | - | - | - | - |
| Net Borrowings | -4,000 | -384,000 | -1,312,000 | -229,000 |
| Other Cash Flows from Financing Activities | -12,000 | -136,000 | -433,000 | -92,000 |
| Total Cash Flows From Financing Activities | -455,000 | -668,000 | -1,817,000 | 302,000 |
| Effect Of Exchange Rate Changes | -4,000 | 6,000 | 2,000 | -24,000 |
| Change In Cash and Cash Equivalents | 191,000 | 516,000 | 394,000 | 128,000 |