Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 13,671	$ 19,392
Short-term investments	51,788	25,289
Accounts receivable	40	105
Inventory-net	9,518	13,709
Prepaid expenses and other current assets	939	618
Total current assets	75,956	59,113
Property and equipment - net	522	634
Deferred tax assets	3,620	2,280
Right-of-use assets	1,045	983
Intangible asset-net	1,036
Goodwill	891	0
Long-term investments	500	9,737
Other assets	237	193
Total assets	83,807	72,940
Current liabilities:
Accounts payable	1,707	2,100
Accrued liabilities	2,322	1,564
Customer deposits	1,448	1,545
Lease liabilities	497	700
Dividend payable	4,599	4,551
Total current liabilities	10,573	10,460
Other liabilities	939	404
Total liabilities	11,512	10,864
Commitments and contingencies (Note 6)
Stockholders’ equity
Preferred stock, par value $0.0001 per share - 5,000,000 shares authorized as of December 31, 2023 and 2022; nil shares issued and outstanding as of December 31, 2023 and 2022.
Common stock, $0.0001 par value per share - 75,000,000 shares authorized as of December 31, 2023 and 2022; 18,395,682 and 18,198,737 shares issued and outstanding as of December 31, 2023 and 2022, respectively	2	2
Additional paid-in capital	27,477	26,046
Accumulated other comprehensive income (loss)	18	(147)
Retained earnings	44,798	36,175
Total stockholders’ equity	72,295	62,076
Total liabilities and stockholders' equity	$ 83,807	$ 72,940