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Unaudited Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 2,522 $ 5,571
Marketable securities 1,972 2,689
Receivables, net of allowance for doubtful accounts of $580 and $472, respectively 5,212 7,794
Inventories, net 13,299 14,415
Distributor channel inventories 1,555
Prepaid expenses and other assets 2,525 1,862
Total current assets 25,530 33,886
Long-term marketable securities 5,757 10,349
Long-term inventories, net 8,266 8,708
Property and equipment, net 1,451 1,549
Intangibles, net 9,418 6,543
Deferred income taxes 6,531
Other assets 377 311
Total assets 50,799 67,877
Current liabilities:    
Accounts payable 3,364 4,122
Accrued liabilities 1,668 1,843
Deferred product revenue 250 4,635
Total current liabilities 5,282 10,600
Deferred rent 135 103
Other long-term liabilities 646 607
Total liabilities 6,063 11,310
Shareholders' equity:    
Common stock, par value $0.001, 50,000,000 shares authorized, 8,306,535 and 8,319,022 shares issued and outstanding 8 8
Additional paid-in capital 47,875 47,464
Accumulated other comprehensive loss (208) (65)
Retained earnings (deficit) (2,939) 9,160
Total shareholders' equity 44,736 56,567
Total liabilities and shareholders' equity $ 50,799 $ 67,877