Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 431,000	$ 35,000
Accounts receivable, net	1,312,000	4,463,000
Prepaid expenses and other current assets	1,997,000	989,000
Inventories	347,000	320,000
Note receivable	75,000	75,000
Assets held for sale	78,000	78,000
Total Current Assets	4,240,000	5,960,000
Property and equipment, net	9,185,000	11,236,000
Goodwill	546,000	546,000
Intangible assets, net	73,000	182,000
Note receivable, less current portion	181,000	225,000
Right-of-use asset - finance, net	15,000	22,000
Right-of-use asset - operating, net	1,166,000	1,476,000
Other assets	187,000	191,000
Total Assets	15,593,000	19,838,000
Current Liabilities:
Accounts payable and accrued liabilities	4,248,000	4,868,000
Current portion of long-term debt	24,000	54,000
Lease liability - finance	14,000	13,000
Lease liability - operating	556,000	597,000
Other current liabilities	0	354,000
Total Current Liabilities	6,988,000	10,241,000
Lease liability - finance, less current portion	1,000	11,000
Lease liability - operating, less current portion	707,000	991,000
Deferred tax liabilities	257,000	273,000
Other non-current liabilities	20,000	22,000
Total Liabilities	12,365,000	18,669,000
Commitments and Contingencies
Stockholders' Equity:
Preferred stock, $0.005 par value, 10,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.005 par value, 100,000,000 shares authorized; 21,447,417 and 11,835,753 shares issued as of June 30, 2023 and December 31, 2022, respectively; 6,907 shares of treasury stock as of June 30, 2023 and December 31, 2022, respectively; and 21,440,510 and 11,828,846 shares outstanding as of June 30, 2023 and December 31, 2022, respectively	107,000	59,000
Additional paid-in capital	47,835,000	42,266,000
Accumulated deficit	(44,714,000)	(41,156,000)
Total Stockholders' Equity	3,228,000	1,169,000
Total Liabilities and Stockholders' Equity	15,593,000	19,838,000
March 2022 Convertible Note [Member] | Related Party [Member]
Current Liabilities:
Notes payable, current	0	100,000
Notes payable, noncurrent	0	1,100,000
July 2022 Convertible Note [Member] | Related Party [Member]
Current Liabilities:
Notes payable, current	0	60,000
Notes payable, noncurrent	0	1,140,000
November 2022 Convertible Note [Member] | Related Party [Member]
Current Liabilities:
Notes payable, noncurrent	923,000	818,000
Utica [Member]
Current Liabilities:
Current portion of long-term debt	1,354,000	1,250,000
Long-term debt, less current portion	3,286,000	3,963,000
Utica Residual Liability	183,000	110,000
L S Q [Member]
Current Liabilities:
Current portion of long-term debt	$ 792,000	$ 2,945,000