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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Operating activities:      
Net Income (loss) $ 297 $ (4,369) $ (5,120)
Income from discontinued operations 0 (1,692) (1,861)
Income (loss) from continuing operations 297 (6,061) (6,981)
Adjustments to reconcile income (loss) from continuing operations to net cash provided by operating activities:      
Depreciation and amortization (8,543) (8,751) (9,030)
Increase (Decrease) in Deferred Income Taxes 0 8 13
Stock based compensation (2,093) (6,376) (2,267)
Loss (gain) on disposal of property and equipment 8 142 (4)
Environmental Remediation Expense 931 340 0
Impairment of long-lived assets 0 3,046 0
Increase in restricted cash 0 0 (800)
Non Cash loss on sublease 0 0 2,538
Changes in operating assets and liabilities:      
Accounts receivable 3,285 (2,415) (941)
Inventories (116) 882 (1,404)
Prepaid expenses and other assets 418 (2,202) 6,391
Accounts payable and other liabilities 6,352 7,166 9,410
Other 207 633 (180)
Net cash provided by operating activities 9,314 2,334 519
Investing activities:      
Purchases of property, plant and equipment (2,342) (2,759) (2,908)
Proceeds from sale of property 3 8,307 38
Payments to Acquire Businesses, Gross 441 0 0
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates 0 12,125 0
Net cash (used in) provided by investing activities (2,780) 17,673 (2,870)
Financing activities:      
Net borrowings on revolving line of credit 925 (16,078) (49)
Proceeds from Stock Options Exercised 50 53 0
Net cash provided by (used in) financing activities 975 (16,025) (49)
Discontinued operations:      
Operating cash flows (29) (530) 1,666
Investing cash flows 0 0 (257)
Net cash (used in) provided by discontinued operations (29) (530) 1,409
Effect of Exchange Rate on Cash and Cash Equivalents (922) 57 49
Increase (decrease) in cash and cash equivalents 6,558 3,509 (942)
Cash and cash equivalents at beginning of year 4,207 698 1,640
Cash and cash equivalents at end of year $ 10,765 $ 4,207 $ 698