The table below contains data on Fincorp Incorporated. The balance sheet items correspond to values at year-end 2021 and 2022, while the income statement items correspond to revenues or expenses during the year ended 2021 and 2022. All values are in thousands of dollars.

	2021	2022
Revenue	$ 4,400	$ 4,500
Cost of goods sold	1,500	1,600
Depreciation	480	500
Inventories	290	320
Administrative expenses	530	580
Interest expense	210	210
Federal and state taxes*	530	550
Accounts payable	280	340
Accounts receivable	440	480
Net fixed assets	4,500	5,270
Long-term debt	2,800	3,240
Notes payable	896	610
Dividends paid	440	440
Cash and marketable securities	870	510

* Taxes are paid in their entirety in the year that the tax obligation is incurred. Net fixed assets are fixed assets net of accumulated depreciation since the asset was installed. What was the change in net working capital during the year? (Enter your answer in thousands of dollars.)