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Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Cash Flows From Operating Activities: |  |
Net loss | $ (1,327) | $ (3,032)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation of property and equipment | 1,051 | 1,032
Amortization of intangible assets | 903 | 900
Accretion of notes payable | 317 | 275
Loss on disposition of assets | 9 | 42
Stock-based compensation | 219 | 370
Deferred income taxes | (1,989) | (753)
Changes in operating assets and liabilities: |  |
Accounts receivable | (4,475) | (4,724)
Inventories | 1,997 | 5,000
Prepaid and other current assets | 38 | 1,324
Accounts payable and accrued liabilities | (3,857) | (432)
Net cash (used in) provided by operating activities | (7,114) | 2
Cash Flows From Investing Activities: |  |
Purchase of intangible assets |  | (750)
Purchase of property and equipment | (660) | (1,139)
Net cash used in investing activities | (660) | (1,889)
Cash Flows From Financing Activities: |  |
Net proceeds from (repayments of) revolving lines of credit | 7,258 | (9,431)
Repayments of long-term debt | (261) | (62)
Proceeds from issuance of long-term debt |  | 10,141
Proceeds from exercise of stock options | 284 |
Net cash provided by financing activities | 7,281 | 648
Effect of foreign exchange rates on cash | 400 | 255
Change in cash | (93) | (984)
Cash, beginning of period | 4,478 | 5,111
Cash, end of period | 4,385 | 4,127
Supplemental Disclosure of Cash Flow Information: |  |
Cash paid (received) for income taxes | 218 | (37)
Cash paid for interest | 574 | 611
Supplemental Disclosures of Non-Cash Investing and Financing Activities: |  |
Property and equipment purchased with accounts payable | $ 255 |

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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration