Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 26,318	$ 19,096
Short-term marketable securities	21,668	22,564
Accounts receivable, net of allowances of $399 at December 31, 2018, and $349 at December 31, 2017	15,721	15,000
Inventory and other deferred costs	27,388	21,046
Prepaid expenses and other current assets	2,922	2,605
Total current assets	94,017	80,311
Property and equipment, net	14,102	12,378
Goodwill	29,868	23,844
Other intangibles, net	13,692	8,234
Deferred tax assets	1,215	1,378
Other assets	194	178
Total assets	153,088	126,323
Liabilities and stockholders’ equity
Accounts payable	1,732	1,543
Accrued expenses	15,847	9,770
Acquisition-related obligations	2,179	1,876
Total current liabilities	19,758	13,189
Deferred tax liabilities	484	2,176
Other long-term liabilities	2,611	1,188
Total liabilities	22,853	16,553
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 21,110,224 shares at December 31, 2018, and 20,745,051 shares at December 31, 2017	211	207
Additional paid-in capital	98,442	93,127
Retained earnings	45,831	28,333
Accumulated other comprehensive loss	(3,900)	(2,289)
Treasury stock, at cost; 1,501,511 shares at December 31, 2018 and 1,480,101 shares at December 31, 2017	(10,349)	(9,608)
Total stockholders’ equity	130,235	109,770
Total liabilities and stockholders’ equity	$ 153,088	$ 126,323