The following tables provide information about disaggregated revenue by revenue streams, reportable segments, geographical region, and timing of revenue recognition for the three and nine months ended June 30, 2020 and 2019.



		Three months ended June 30, 2020
		Oil and natural gas		Contract drilling		Land investment		Other		Total
Revenue streams:
	Oil	$	624,000	$	—	$	—	$	—	$	624,000
	Natural gas	192,000		—		—		—		192,000
	Natural gas liquids	14,000		—		—		—		14,000
	Drilling and pump	—		3,040,000		—		—		3,040,000
	Other	—		—		—		113,000		113,000
	Total revenues before interest income	$	830,000	$	3,040,000	$	—	$	113,000	$	3,983,000
Geographical regions:
	United States	$	—	$	3,040,000	$	—	$	—	$	3,040,000
	Canada	830,000		—		—		113,000		943,000
	Total revenues before interest income	$	830,000	$	3,040,000	$	—	$	113,000	$	3,983,000
Timing of revenue recognition:
	Goods transferred at a point in time	$	830,000	$	—	$	—	$	113,000	$	943,000
	Services transferred over time	—		3,040,000		—		—		3,040,000
	Total revenues before interest income	$	830,000	$	3,040,000	$	—	$	113,000	$	3,983,000



		Three months ended June 30, 2019
		Oil and natural gas		Contract drilling		Land investment		Other		Total
Revenue streams:
	Oil	$	1,419,000	$	—	$	—	$	—	$	1,419,000
	Natural gas	152,000		—		—		—		152,000
	Natural gas liquids	117,000		—		—		—		117,000
	Drilling and pump	—		1,689,000		—		—		1,689,000
	Other	—		—		—		15,000		15,000
	Total revenues before interest income	$	1,688,000	$	1,689,000	$	—	$	15,000	$	3,392,000
Geographical regions:
	United States	$	—	$	1,689,000	$	—	$	—	$	1,689,000
	Canada	1,688,000		—		—		15,000		1,703,000
	Total revenues before interest income	$	1,688,000	$	1,689,000	$	—	$	15,000	$	3,392,000
Timing of revenue recognition:
	Goods transferred at a point in time	$	1,688,000	$	—	$	—	$	15,000	$	1,703,000
	Services transferred over time	—		1,689,000		—		—		1,689,000
	Total revenues before interest income	$	1,688,000	$	1,689,000	$	—	$	15,000	$	3,392,000



		Nine months ended June 30, 2020
		Oil and natural gas		Contract drilling		Land investment		Other		Total
Revenue streams:
	Oil	$	3,827,000	$	—	$	—	$	—	$	3,827,000
	Natural gas	821,000		—		—		—		821,000
	Natural gas liquids	233,000		—		—		—		233,000
	Drilling and pump	—		8,279,000		—		—		8,279,000
	Other	—		—		—		239,000		239,000
	Total revenues before interest income	$	4,881,000	$	8,279,000	$	—	$	239,000	$	13,399,000
Geographical regions:
	United States	$	—	$	8,279,000	$	—	$	7,000	$	8,286,000
	Canada	4,881,000		—		—		232,000		5,113,000
	Total revenues before interest income	$	4,881,000	$	8,279,000	$	—	$	239,000	$	13,399,000
Timing of revenue recognition:
	Goods transferred at a point in time	$	4,881,000	$	—	$	—	$	239,000	$	5,120,000
	Services transferred over time	—		8,279,000		—		—		8,279,000
	Total revenues before interest income	$	4,881,000	$	8,279,000	$	—	$	239,000	$	13,399,000



		Nine months ended June 30, 2019
		Oil and natural gas		Contract drilling		Land investment		Other		Total
Revenue streams:
	Oil	$	3,792,000	$	—	$	—	$	—	$	3,792,000
	Natural gas	650,000		—		—		—		650,000
	Natural gas liquids	402,000		—		—		—		402,000
	Drilling and pump	—		3,839,000		—		—		3,839,000
	Contingent residual payments	—		—		165,000		—		165,000
	Other	—		—		—		69,000		69,000
	Total revenues before interest income	$	4,844,000	$	3,839,000	$	165,000	$	69,000	$	8,917,000
Geographical regions:
	United States	$	—	$	3,839,000	$	165,000	$	1,000	$	4,005,000
	Canada	4,844,000		—		—		68,000		4,912,000
	Total revenues before interest income	$	4,844,000	$	3,839,000	$	165,000	$	69,000	$	8,917,000
Timing of revenue recognition:
	Goods transferred at a point in time	$	4,844,000	$	—	$	165,000	$	69,000	$	5,078,000
	Services transferred over time	—		3,839,000		—		—		3,839,000
	Total revenues before interest income	$	4,844,000	$	3,839,000	$	165,000	$	69,000	$	8,917,000