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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 11,901 $ 10,789
Accounts receivable, net of allowance for doubtful accounts of $146 in 2012 and $162 in 2011 5,480 5,551
Inventories 8,035 6,659
Prepaid expenses and other current assets 1,129 464
Current assets of discontinued operations 510 6,043
Total current assets 27,055 29,506
Property and equipment, net 483 325
Other intangible assets, net 554 745
Goodwill 533 533
Other long-term assets 287 199
Non-current assets of discontinued operations 0 841
Total assets 28,912 32,149
Current liabilities:    
Accounts payable 2,105 1,580
Accrued compensation 1,563 1,180
Accrued expenses 1,242 1,920
Accrued warranty 453 556
Deferred revenue 1,004 1,014
Current liabilities of discontinued operations 0 2,663
Total current liabilities 6,367 8,913
Long-term liabilities:    
Other long-term liabilities 640 810
Total liabilities 7,007 9,723
Commitments and contingencies (Note 11)      
Stockholders' equity:    
Convertible preferred stock, $0.01 par value: Authorized: 2,000,000 shares; Issued and outstanding: 500,000 shares in 2012 and 2011, Liquidation preference of $5,000 5 5
Common stock, $0.01 par value: Authorized: 30,000,000 shares; Issued and outstanding: 8,452,971 shares in 2012 and 8,917,824 shares in 2011 94 92
Additional paid-in capital 38,958 42,032
Accumulated other comprehensive loss 0 (35)
Treasury stock, at cost 0 (1,078)
Accumulated deficit (17,152) (18,590)
Total stockholders' equity 21,905 22,426
Total liabilities and stockholders' equity $ 28,912 $ 32,149