CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 173,122	$ 180,686
Accounts receivable – net	38,706	42,980
Inventories – net	25,296	21,638
Other current assets	7,970	3,625
Total current assets	245,094	248,929
Property, plant and equipment – net	13,627	13,856
Goodwill	41,214	41,214
Intangible assets – net	32,652	33,121
Lease right-of-use assets	2,423	2,569
Other assets	3,665	4,060
Total assets	338,675	343,749
Current liabilities:
Current portion of long-term debt	676	666
Accounts payable	18,886	12,791
Accrued salaries and benefits	10,620	13,190
Accrued expenses	3,930	2,606
Lease liabilities – current portion	1,133	1,200
Customer deposits and deferred service revenue	9,895	9,506
Total current liabilities	45,140	39,959
Lease liabilities – net of current portion	1,410	1,462
Deferred service revenue – noncurrent	2,838	3,082
Long-term debt	106,851	105,844
Other long-term liabilities	4,584	4,997
Total liabilities	160,823	155,344
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized	0	0
Common stock, $.02 par value, 58,000,000 shares authorized, 23,103,979 and 22,982,955 shares issued, 21,961,788 and 21,917,357 outstanding at March 31, 2021 and December 31, 2020, respectively	462	459
Additional paid in capital	245,566	243,575
Accumulated deficit	(54,977)	(46,706)
Accumulated other comprehensive loss	(4,238)	(3,936)
Treasury stock, at cost, 1,142,191 shares and 1,065,598 shares at March 31, 2021 and December 31, 2020, respectively	(8,961)	(4,987)
Total shareholders’ equity	177,852	188,405
Total Liabilities and Shareholders’ Equity	$ 338,675	$ 343,749