Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 11,786	$ 26,318
Short-term marketable securities	20,895	21,668
Accounts receivable, net of allowances of $522 at December 31, 2019, and $399 at December 31, 2018	16,572	15,721
Inventory and other deferred costs	39,527	27,388
Prepaid expenses and other current assets	3,312	2,922
Total current assets	92,092	94,017
Property and equipment, net	14,854	14,102
Right-of-use leased assets	15,208
Goodwill	39,951	29,868
Other intangibles, net	24,893	13,692
Deferred tax assets	1,084	1,215
Other assets	259	194
Total assets	188,341	153,088
Liabilities and stockholders’ equity
Accounts payable	2,604	1,732
Accrued expenses	14,014	15,847
Acquisition-related obligations	2,476	2,179
Lease liabilities - short-term	1,757
Total current liabilities	20,851	19,758
Lease liabilities - long-term	13,955
Deferred tax liabilities	1,179	484
Other long-term liabilities	4,215	2,611
Total liabilities	40,200	22,853
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 21,678,927 shares at December 31, 2019, and 21,110,224 shares at December 31, 2018	217	211
Additional paid-in capital	105,934	98,442
Retained earnings	57,029	45,831
Accumulated other comprehensive loss	(4,007)	(3,900)
Treasury stock, at cost; 1,522,035 shares at December 31, 2019 and 1,501,511 shares at December 31, 2018	(11,032)	(10,349)
Total stockholders’ equity	148,141	130,235
Total liabilities and stockholders’ equity	$ 188,341	$ 153,088