Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 16,427	$ 16,155
Accounts receivable and unbilled revenues, net	732	652
Contract assets	51
Prepaid expenses and other current assets	475	891
Current assets of discontinued operations		922
Total current assets	17,685	18,620
Non-current assets:
Property and equipment, net	62	110
Operating lease right-of-use assets, net	634
Non-current assets of discontinued operations		284
Total non-current assets	696	394
Total assets	18,381	19,014
Current liabilities:
Accounts payable	229	400
Accrued payroll and employee benefits	760	854
Accrued expenses	404	309
Contract liabilities		2
Current portion of finance lease obligations	2	8
Current portion of operating lease obligations	225
Current liabilities of discontinued operations		259
Total current liabilities	1,620	1,832
Non-current liabilities
Finance lease obligations, net of current portion		2
Operating lease obligations, net of current portion	319
Non-current liabilities of discontinued operations		17
Total non-current liabilities	319	19
Total liabilities	1,939	1,851
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, 1,000,000 shares authorized, with par value of $0.001; no shares issued and outstanding at December 31, 2024 and 2023, respectively
Common stock, 25,000,000 shares authorized, with par value of $0.001; 16,782,922 and 15,359,481 shares issued and outstanding at December 31, 2024 and 2023, respectively	17	15
Additional paid-in capital	240,955	235,158
Accumulated other comprehensive loss	(450)	(396)
Accumulated deficit	(224,080)	(217,614)
Total stockholders’ equity	16,442	17,163
Total liabilities and stockholders’ equity	$ 18,381	$ 19,014

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).