CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 28, 2019	Dec. 28, 2018
Current assets:
Cash and cash equivalents	$ 103,251	$ 103,877
Accounts receivable trade, net of allowance of doubtful accounts of $162 and $550, respectively	32,962	25,946
Inventories, net	16,328	16,704
Prepayments, deposits and other current assets	6,367	5,045
Total current assets	158,908	151,572
Property, plant and equipment, net	13,382	11,451
Finance lease right-of-use assets, net	2,338
Operating lease right-of-use assets, net	7,219
Intangible assets, net	261	243
Goodwill	1,786	1,786
Deferred income taxes	1,355	1,278
Other assets	713	1,009
Total assets	185,962	167,339
Current liabilities:
Line of credit	2,854	3,780
Accounts payable	8,097	6,524
Obligations under finance leases	960	1,098
Obligations under operating leases	2,766
Allowance for sales returns	3,263	2,895
Other current liabilities	10,771	13,431
Total current liabilities	28,711	27,728
Obligations under finance leases	580	459
Obligations under operating leases	4,580
Deferred income taxes	1,406	1,022
Asset retirement obligations	212	206
Deferred rent		188
Pension liability	6,138	5,310
Total liabilities	41,627	34,913
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.01 par value; 60,000 shares authorized: 44,534 and 44,195 shares issued and outstanding at June 28, 2019 and December 28, 2018, respectively	445	442
Additional paid-in capital	296,063	289,584
Accumulated other comprehensive loss	(1,602)	(1,320)
Accumulated deficit	(150,571)	(156,280)
Total stockholders’ equity	144,335	132,426
Total liabilities and stockholders’ equity	$ 185,962	$ 167,339