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Condensed Consolidated Statements of Operations (unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Sales    
Hardware $ 292 $ 338
Software 74 102
Services and other 1,041 1,333
Total sales 1,407 1,773
Cost of sales    
Hardware 192 189
Software 8 31
Services and other 461 604
Total cost of sales (exclusive of depreciation and amortization shown separately below) 661 824
Gross profit 746 949
Operating expenses:    
Sales and marketing expenses 362 458
Research and development expenses 318 559
General and administrative expenses 1,410 1,676
Depreciation and amortization expense 61 80
Total operating expenses 2,151 2,773
Operating loss (1,405) (1,824)
Other income (expenses):    
Interest expense (7) (5)
Interest income   1
Total other expense (7) (4)
Net loss $ (1,412) $ (1,828)
Basic and diluted loss per common share $ (0.27) $ (0.40)
Basic and diluted weighted average shares outstanding 5,240 4,603