CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents		$ 9,563	$ 11,363
Accounts receivable, net		3,422	3,864
Prepaid expenses and other current assets		1,386	1,548
Total current assets		14,371	16,775
Property and equipment, net		118	120
Right-of-use assets, operating leases		1,613	1,912
Other non-current assets		504	508
Total assets		16,606	19,315
Current liabilities:
Accounts payable		609	664
Accrued expenses and other current liabilities		1,820	2,099
Operating lease liabilities		1,613	1,518
Total current liabilities		4,042	4,281
Operating lease liabilities, non-current		0	394
Other long-term liabilities		980	1,001
Total liabilities		5,022	5,676
Commitments and contingencies (Note 9)
Stockholders’ equity:
Convertible preferred stock, $0.001 par value - 10,000 shares authorized, no shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	[1]	0	0
Common stock, $0.001 par value - 42,619 shares authorized, 3,061 and 3,011 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	[1]	3	3
Additional paid-in capital		359,234	358,884
Accumulated deficit		(346,662)	(344,251)
Accumulated other comprehensive loss		(991)	(997)
Total stockholders’ equity		11,584	13,639
Total liabilities and stockholders’ equity		$ 16,606	$ 19,315

[1] The shares of common stock, par value of common stock issued and outstanding, and additional paid-in capital amounts for all periods presented have been retroactively adjusted to reflect the one-for-six reverse stock split of the Company's issued and outstanding common stock and the reduction in the Company's authorized common stock which took effect on April 12, 2024 (Note 1).