Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 2,130	$ 2,258
Digital assets	7,209	5,395
Accounts receivable, net	135	138
Prepaid expenses and other current assets	500	424
Total current assets	9,974	8,215
Other assets	3	4
Total assets	9,977	8,219
Current liabilities:
Accounts payable	272	112
Accrued expenses and other current liabilities	973	1,061
Deferred revenue	6	13
Total current liabilities	1,251	1,186
Total liabilities	1,251	1,186
Commitments and contingencies (see Note 10)
Stockholders’ equity:
Preferred stock Series F, convertible; $0.0001 par value; $176,000 stated value; 42,000 shares authorized, 150 shares issued and outstanding as of March 31, 2026 and December 31, 2025	0	0
Common stock; $0.0001 par value; 150,000,000 shares authorized, 3,327,399 shares issued, and 3,327,210 outstanding as of March 31, 2026 and December 31, 2025	0	0
Treasury Stock, 189 common shares	(181)	(181)
Additional paid-in capital	245,839	245,843
Accumulated deficit	(236,932)	(238,629)
Total stockholders’ equity	8,726	7,033
Total liabilities and stockholders’ equity	$ 9,977	$ 8,219