Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 3,700	$ 1,467
Accounts receivable, net	3,172	1,733
Prepaid expenses and other current assets	971	858
Inventories	334	295
Assets held for sale	527	527
Total current assets	8,704	4,880
Property and equipment, net	19,035	20,317
Goodwill	546	546
Intangible assets, net	563	617
Right-of-use asset - finance, net	110	129
Right-of-use asset - operating, net	2,708	2,918
Other assets	421	423
Non-current assets of discontinued operations	347	353
TOTAL ASSETS	32,434	30,183
Current Liabilities
Accounts payable and accrued liabilities	1,315	1,931
Senior revolving credit facility, related party (including future interest payable of $735 and $892, respectively - see Note 7)	1,318	1,593
Lease liability - finance, current	66	65
Lease liability - operating, current	847	854
Current portion of long-term debt	89	100
Current liabilities of discontinued operations	33	31
Total current liabilities	3,668	4,574
Long-Term Liabilities
Senior revolving credit facility, related party (including future interest payable of $433 and $485, respectively - see Note 7)	13,850	17,485
Subordinated debt, related party (Note 3)		1,180
Long-term debt, less current portion	2,038	2,052
Lease liability - finance, less current portion	38	55
Lease liability - operating, less current portion	1,986	2,185
Other liabilities	43	88
Long-term liabilities of discontinued operations		9
Total long-term liabilities	17,955	23,054
Total liabilities	21,623	27,628
Commitments and Contingencies (Note 9)
Preferred stock, $.005 par value, 10,000,000 shares authorized, no shares issued or outstanding
Common stock. $.005 par value, 100,000,000 shares authorized; 11,439,630 and 6,307,868 shares issued as of March 31, 2021 and December 31, 2020, respectively; 6,907 shares of treasury stock as of March 31, 2021 and December 31, 2020, respectively; and 11,432,723 and 6,300,961 shares outstanding as of March 31, 2021 and December 31, 2020, respectively	57	32
Additional paid-in capital	40,760	30,052
Accumulated deficit	(30,006)	(27,529)
Total stockholders' equity	10,811	2,555
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 32,434	$ 30,183