CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 102,139	$ 78,791
Accounts receivable, net	63,930	66,486
Inventories	10,265	8,304
Prepaid expenses and other current assets	5,895	10,263
Total current assets	182,229	163,844
Property and equipment, net	2,333	2,397
Intangible assets, net	17,473	18,103
Goodwill	39,743	39,743
Deferred tax asset, net	14,109	13,822
Other assets	3,565	694
Total assets	259,452	238,603
Current liabilities:
Accounts payable	16,786	9,917
Accrued expenses	22,436	23,519
Current portion of long-term debt	5,000	6,250
Total current liabilities	44,222	39,686
Other long-term liabilities	2,870	0
Long-term debt, less current portion	36,999	38,155
Commitments and Contingencies
Stockholders' equity:
Preferred stock, 1,500,000 shares authorized and no shares issued or outstanding as of March 31, 2019 and December 31, 2018	0	0
Common stock, $0.001 par value; 50,000,000 shares authorized; 16,519,728 and 16,504,283 shares issued as of March 31, 2019 and December 31, 2018, respectively	17	17
Additional paid in capital	262,084	256,458
Retained earnings	67,160	58,187
Treasury stock, at cost, 2,590,258 and 2,590,258 shares as of March 31, 2019 and December 31, 2018, respectively	(153,900)	(153,900)
Total stockholders' equity	175,361	160,762
Total liabilities and stockholders' equity	$ 259,452	$ 238,603