CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 4,142	$ 3,485
Accounts receivable-net	29,311	26,219
Inventories-net	22,639	22,737
Other current assets	5,099	3,251
Total current assets	61,191	55,692
Property, plant and equipment – net	13,169	12,575
Goodwill	11,051	11,051
Intangible assets – net	11,176	10,859
Operating lease right-of-use assets	3,697
Other assets	4,764	4,504
Total Assets	105,048	94,681
Current liabilities:
Borrowings of line of credit	16,139	7,819
Accounts payable	14,794	12,644
Accrued salaries and benefits	5,145	5,940
Accrued expenses	2,223	2,113
Operating lease liabilities - current portion	1,540
Customer deposits and deferred service revenue	11,540	9,851
Other current liabilities	0	2,550
Total current liabilities	51,381	40,917
Operating lease liabilities - net of current portion	2,177
Deferred service revenue	4,807	4,407
Other long-term liabilities	3,198	3,411
Total liabilities	61,563	48,735
Commitments and contingencies
Shareholders’ Equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized	0	0
Common stock, $.02 par value, 29,000,000 shares authorized; 17,956,318 and 17,879,761 shares issued, 16,248,209 and 16,171,652 outstanding at March 31, 2019 and December 31, 2018, respectively	357	357
Capital in excess of par value	50,529	50,251
Retained earnings	2,698	5,427
Accumulated other comprehensive loss	(4,263)	(4,253)
Treasury stock, at cost, 1,708,109 shares	(5,836)	(5,836)
Total shareholders’ equity	43,485	45,946
Total Liabilities and Shareholders’ Equity	$ 105,048	$ 94,681