Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,410,000	$ 3,979,000
Accounts receivable, net	1,993,000	5,945,000
Inventories, net	161,000	209,000
Prepaid expenses and other current assets	3,712,000	3,583,000
Total current assets	9,276,000	13,716,000
Property, plant and equipment, net	53,852,000	60,363,000
Right-of-use assets	881,000	965,000
Goodwill	4,453,000	4,453,000
Investments in foreign joint ventures	10,316,000	10,521,000
Other noncurrent assets	306,000	308,000
Total assets	79,084,000	90,326,000
Current liabilities:
Current portion of long-term notes payable	447,000	0
Current portion of long-term notes payable - related parties	2,737,000	1,000,000
Current portion of finance lease obligation - related parties	1,312,000	3,440,000
Current portion of operating lease obligations	383,000	364,000
Short-term notes payable	744,000	558,000
Accrued liabilities	4,116,000	5,018,000
Accounts payable	3,273,000	4,728,000
Total current liabilities	13,012,000	15,108,000
Long-term notes payable, net of current portion	633,000	0
Long-term notes payable, net of current portion - related parties	3,340,000	6,077,000
Finance lease obligations, net of current portion - related parties	0	648,000
Long-term portion of operating lease obligations	565,000	650,000
Deferred compensation	72,000	0
Deferred income taxes	32,000	0
Total liabilities	17,654,000	22,483,000
Commitments and contingencies (Note 14)
Stockholders’ equity:
Preferred Stock; $0.001 par value, 1,000,000 shares authorized, no shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	0	0
Common stock; $0.001 par value, 37,500,000 shares authorized, 16,896,626 and 16,800,612 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively (Note 14)	17,000	17,000
Additional paid-in capital	91,092,000	90,748,000
Accumulated other comprehensive loss	(402,000)	(291,000)
Accumulated deficit	(29,277,000)	(22,631,000)
Total stockholders’ equity	61,430,000	67,843,000
Total liabilities and equity	$ 79,084,000	$ 90,326,000