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Condensed Consolidated Balance Sheets (Curent Period Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
CURRENT ASSETS    
Cash and cash equivalents $ 6,771 $ 8,499
Restricted cash 0 10
Accounts receivable, net 869 892
Investments, current portion 2,752 2,432
Prepaid expenses and other assets 739 368
Assets held for sale 3,131 3,019
Total current assets 14,262 15,220
PROPERTY & EQUIPMENT, NET 16,049 15,878
OTHER ASSETS    
Investments, net of current portion 333 551
Deferred development costs 9,585 9,566
Other noncurrent assets 1,217 1,191
Total other assets 11,135 11,308
TOTAL ASSETS 41,446 42,406
CURRENT LIABILITIES    
Accounts payable 1,129 589
Payroll and employee benefits 783 869
Accrued retirement benefits, current portion 142 142
Deferred revenue, current portion 289 227
Other current liabilities 467 480
Total current liabilities 2,810 2,307
LONG-TERM LIABILITIES    
Accrued retirement benefits, net of current portion 2,633 2,612
Other noncurrent liabilities 17 30
Total long-term liabilities 6,198 6,327
TOTAL LIABILITIES 9,008 8,634
Commitments and Contingencies  
STOCKHOLDERS' EQUITY    
Preferred stock--$0.0001 par value; 5,000,000 shares authorized; no shares issued and outstanding 0 0
Common stock--$0.0001 par value; 43,000,000 shares authorized; 19,604,509 and 19,476,671 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively 84,570 83,392
Additional paid-in-capital 10,098 9,184
Accumulated deficit (54,210) (50,537)
Accumulated other comprehensive loss (8,020) (8,267)
Total stockholders' equity 32,438 33,772
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY 41,446 42,406
License [Member]    
LONG-TERM LIABILITIES    
Deferred revenue, net of current portion 1,400 1,500
Member Deposits [Member]    
LONG-TERM LIABILITIES    
Deferred revenue, net of current portion $ 2,148 $ 2,185