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Condensed Consolidated Statements of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Sales        
Hardware $ 523 $ 512 $ 1,393 $ 1,146
Software 87 113 1,083 295
Services and other 924 1,144 3,091 3,658
Total sales 1,534 1,769 5,567 5,099
Cost of sales        
Hardware 345 339 895 707
Software 1 21 12 65
Services and other 424 513 1,331 1,537
Total cost of sales (exclusive of depreciation and amortization shown separately below) 770 873 2,238 2,309
Gross profit 764 896 3,329 2,790
Operating expenses:        
Sales and marketing expenses 371 339 1,114 1,197
Research and development expenses 271 462 794 1,417
General and administrative expenses 1,222 1,206 3,876 4,162
Depreciation and amortization expense 48 68 168 223
Total operating expenses 1,912 2,075 5,952 6,999
Operating loss (1,148) (1,179) (2,623) (4,209)
Other income (expenses):        
Interest expense (6) (1) (19) (7)
Interest income       1
Total other expense (6) (1) (19) (6)
Net loss $ (1,154) $ (1,180) $ (2,642) $ (4,215)
Basic and diluted loss per common share $ (0.20) $ (0.25) $ (0.46) $ (0.91)
Basic and diluted weighted average shares outstanding 5,912 4,685 5,683 4,642