Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 19,096	$ 24,288
Short-term marketable securities	22,564
Accounts receivable, net of allowances of $349 at December 31, 2017, and $258 at December 31, 2016	15,000	13,191
Inventory and other deferred costs	21,046	19,578
Prepaid expenses and other current assets	2,605	1,970
Total current assets	80,311	59,027
Property and equipment, net	12,378	8,012
Goodwill	23,844	23,426
Other intangibles, net	8,234	9,897
Deferred tax assets	1,378	1,399
Other assets	178	163
Total assets	126,323	101,924
Current liabilities:
Accounts payable	1,543	1,217
Accrued expenses	9,770	8,804
Acquisition-related obligations	1,876	461
Total current liabilities	13,189	10,482
Deferred tax liabilities	2,176	1,941
Other long-term liabilities	1,188	2,001
Total liabilities	16,553	14,424
Stockholders' equity:
Preferred stock, $0.01 par value; authorized 3,000,000 shares; none outstanding
Common stock, $0.01 par value; authorized 37,000,000 shares; issued 20,745,041 shares at December 31, 2017, and 20,040,348 shares at December 31, 2016	207	200
Additional paid-in capital	93,127	85,378
Retained earnings	28,333	15,335
Accumulated other comprehensive loss	(2,289)	(4,583)
Treasury stock, at cost; 1,480,101 shares at December 31, 2017 and 1,452,810 shares at December 31, 2016	(9,608)	(8,830)
Total stockholders' equity	109,770	87,500
Total liabilities and stockholders' equity	$ 126,323	$ 101,924