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Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Statement of Cash Flows [Abstract]    
Net loss $ 2,840 $ (2,131)
Loss (gain) from discontinued operations, net of tax 0 (61)
Adjustments to reconcile net loss from continuing operations to net cash provided by operating activities    
Depreciation and amortization of financing fees 2,472 2,828
Amortization of intangible assets 235 305
Intangible asset impairment 150 0
Loss on long-lived asset disposals 114 298
Foreign exchange loss 0 0
Stock-based compensation 571 1,003
Changes in deferred income taxes 183 196
Provision for allowance for doubtful accounts (22) 52
Changes in operating assets and liabilities:    
Accounts receivable (217) 2,878
Inventories 2,101 (46)
Prepaid expenses and other assets (757) 249
Due from insurance company 0 0
Income taxes receivable and payable 158 (25)
Accounts payable and other liabilities 723 (2,003)
Net cash provided by operating activities 8,551 3,665
INVESTING ACTIVITIES:    
Cash paid for property, equipment and improvements (2,910) (1,653)
Change in restricted cash 0 268
Net cash used in investing activities (2,910) (1,385)
FINANCING ACTIVITIES:    
Cash paid to repurchase treasury stock (9,388) (762)
Proceeds from exercise of stock options 538 11
Vesting of restricted stock - tax withholdings (18) 0
Net cash used in financing activities (8,868) (751)
Effect of exchange rate changes on cash and cash equivalents (91) 116
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS (3,318) 1,645
Cash and cash equivalents, beginning of period 17,711 16,066
Cash and cash equivalents, end of period 14,393 17,711
Supplemental Cash Flow Information:    
Income taxes paid 52 60
Construction in Process in accounts payable 0 1,019
Interest paid $ 150 $ 76