Shareholders' Equity and Share-Based Payments [Text Block] | NOTE 9. In August 2022, 1 10 August 26, 2022. On July 14, 2022, 2014 2014 September 30, 2022, 2014 A summary of equity activity follows (in thousands, except share amounts). Shares Preferred Preferred Common Accumulated Series G Common Stock Stock Deficit Equity Balance, December 31, 2021 150 5,158,967 $ 75 $ 326,279 $ (307,859 ) $ 18,495 Common stock awards under equity incentive plans - 22,475 - 241 - 241 Common stock issued to vendor - 600 - 5 - 5 Net income - - - - (1,516 ) (1,516 ) Balance, March 31, 2022 150 5,182,042 75 326,525 (309,375 ) 17,225 Common stock awards under equity incentive plans - 48,388 - 146 - 146 Common stock issued to vendor - 600 - 1 - 1 Net loss - - - - (2,621 ) (2,621 ) Balance, June 30, 2022 150 5,231,030 75 326,672 (311,996 ) 14,751 Common stock awards under equity incentive plans - - 492 - 492 Common stock issued to vendor - 600 - 2 - 2 Other - 10,447 - - - - Net loss - - - - (2,042 ) (2,042 ) Balance, September 30, 2022 150 5,242,077 $ 75 $ 327,166 $ (314,038 ) $ 13,203 Shares Preferred Preferred Common Accumulated Series G Common Stock Stock Deficit Equity Balance, December 31, 2020 225 4,523,809 $ 112 $ 322,218 $ (298,910 ) $ 23,420 Common stock awards under equity incentive plans - 2,994 - 250 - 250 Common stock issued to vendor - 600 - 3 - 3 Other - - - (3 ) - (3 ) Net income - - - - 591 591 Balance, March 31, 2021 225 4,527,403 112 322,468 (298,319 ) 24,261 Common stock awards under equity incentive plans - 2,964 - 290 - 290 Common stock issued to vendor - 600 - 5 - 5 Exercise of common stock warrants - 17,794 - 171 - 171 Other - - - 3 - 3 Net loss - - - - (1,923 ) (1,923 ) Balance, June 30, 2021 225 4,548,761 112 322,937 (300,242 ) 22,807 Common stock awards under equity incentive plans - 38,978 - 287 - 287 Common stock issued to vendor - 600 - 5 - 5 Sale of common stock and common stock warrants, net of costs - 3,062,395 - 2,725 - 2,725 Exercise of common stock warrant - 1,500,000 - - - - Conversion of preferred stock into common stock (75 ) 71,174 (37 ) 37 - - Net loss - - - - (2,213 ) (2,213 ) Balance, September 30, 2021 150 9,221,908 $ 75 $ 325,991 $ (302,455 ) $ 23,611 Share-based compensation by type of award follows (in thousands). Three Months Ended September 30, 2022 June 30, 2022 March 31, 2022 Stock options $ 28 $ 21 $ 29 Restricted stock units 464 125 212 Compensation expense related to common stock awards issued under equity incentive plan $ 492 $ 146 $ 241 Options In the three September 30, 2022, three June 30, 2022, three March 31, 2022, Stock Units We have outstanding (i) restricted stock units (RSUs) issued under the 2014 one Restricted Stock Units (Issued under 2014 Plan) Stock Units Issued to Vendors Number of Units Unrecognized Stock Compensation (in thousands) Weighted Average Expense Period (Years) Number of Units Unrecognized Stock Compensation (in thousands) Weighted Average Expense Period (Years) Nonvested at December 31, 2021 126,603 $ (658 ) 0.9 - $ - - Granted 37,000 (153 ) 2.0 - - - Forfeited (1,000 ) 7 0.7 - - - Vested with service (22,475 ) - - - - - Expensed - 212 - - - - Nonvested at March 31, 2022 140,128 (592 ) 0.9 - - - Impact of Modification: - - - Before modification (11,468 ) 125 - - - - After modification 11,468 (60 ) - - - - Forfeited (9,454 ) 55 - - - - Vested with Service (34,404 ) - - - - - Expensed - 125 - - - - Nonvested at June 30, 2022 96,270 (347 ) 0.9 - - - Granted 402,276 (1,458 ) 2.8 38,968 (65 ) 3.0 Vested with Service (63,607 ) - - - - - Expensed - 464 - - - - Nonvested at September 30, 2022 434,939 $ (1,341 ) 2.5 38,968 $ (65 ) 3.0 Number of RSUs Vested at December 31, 2021 86,505 Vested with service 22,475 Issued at vesting (22,475 ) Vested at March 31, 2022 86,505 Vested with service 34,404 Issued at termination of service (48,386 ) Vested at June 30, 2022 72,523 Vested with service 63,607 Vested at September 30, 2022 136,130 As of September 30, 2022, no In the three September 30, 2022, 2014 ● 278,151 RSUs, the issuance of which was subject to shareholder approval of the increase in the shares of common stock authorized for issuance under the 2014 forty-nine July 14, 2022, ● 65,790 RSUs to our directors which vest on July 14, 2023, one ● 19,003 RSUs to our directors on July 14, 2022, June 30, 2022. ● 30,279 RSUs to our directors on September 30, 2022, September 30, 2022. ● 9,053 RSUs to employees. The RSUs vest over an average of 8 months from the date of grant. We issued 38,968 SUs to a service provider in September 2022 November 2022, three September 2025, three may October 1, 2022, may 90 38,968 121,032 may not In April 2022, April 28, 2022, In the three June 30, 2022, no three March 31, 2022, Warrants In the three September 30, 2022, 12, three March 31, 2022, Subsequent Offering In October 2022, April 20, 2023, October 20, 2025. October 20, 2022, may In addition, we issued warrants for the purchase of up to 63,000 shares of our common stock to the placement agent at an exercise price of $1.875 per share, which expire October 20, 2027. |