CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Operating activities:      
Net income from continuing operations $ 383 $ (2,035) $ (11,430)
Net loss from discontinued operations (3,485) (7,668) (4,471)
Net loss (3,102) (9,703) (15,901)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:      
Depreciation 298 413 530
Amortization 455 488 488
Stock-based compensation $ 279 271 $ 213
Impairment 150
Deferred income tax expense $ 4   $ 4,085
Loss on disposal of assets (157) 41
Changes in operating assets and liabilities:      
Accounts receivable, net (529) 1,194 $ 2,055
Inventories 177 126 1,709
Prepaid expenses and other current assets 258 643 298
Accounts payable (932) 1,075 (27)
Accrued expenses and other liabilities (92) (352) 755
Net cash used for continuing operating activities (3,341) (5,654) (5,795)
Net cash provided by discontinuing operating activities 1,557 3,075 278
Net cash used for operating activities (1,784) $ (2,579) $ (5,517)
Investing activities:      
Capitalized software development costs $ (1,210)
Sales and maturities of marketable securities $ 2,639 $ 7,686
Purchases of marketable securities (5,507)
Purchases of property and equipment $ (150) $ (298) (300)
Proceeds (purchases) of other investments 150 (300)
Net cash provided by (used for) continuing investing activities $ (1,360) 2,491 1,579
Net cash provided by (used for) discontinued investing activities 3,253 (197) (789)
Net cash provided by investing activities $ 1,893 $ 2,294 790
Financing activities:      
Proceeds from exercise of stock options 9
Net cash provided by continuing financing activities 9
Effect of exchange rate changes on cash $ (117) $ (623) (52)
Decrease in cash and cash equivalents (8) (908) (4,770)
Cash and cash equivalents at beginning of period 2,656 3,564 8,334
Cash and cash equivalents at end of period $ 2,648 $ 2,656 $ 3,564