Consolidated Balance Sheets - USD ($)	Mar. 31, 2021	Mar. 31, 2020
ASSETS
Cash and cash equivalent	$ 23,436,417	$ 21,386,934
Short-term investments and amounts in escrow (Note 3)	1,126,728	718,100
Accounts receivable, net of allowance for doubtful account of $1,559,757 in 2021 and $361,858 in 2020	10,996,220	16,161,811
Prepaid expenses and parts inventory	932,948	839,705
Contract assets (Note 10)	4,329,607	24,604,339
Lease receivable, current portion (Note 4)	406,366	472,000
Total Current Assets	41,228,286	64,182,889
Lease receivable (Note 4)		369,634
Long term receivable	2,735,415	2,027,855
Project under development (Note 9)	2,001,116
Property and equipment (Note 5)	1,229,828	1,301,905
Intangible assets (Note 6)	11,180,524	12,575,303
Goodwill (Note 7 and 8)	4,293,789	3,524,162
Right of use asset	1,118,949	1,813,921
Security deposit	635,870	430,568
Total Assets	64,423,777	86,226,237
Current Liabilities
Accounts payable and accrued liabilities (Note 12)	24,486,138	42,276,285
Warranty provision (Note 12)	2,425,107	1,089,356
Contract liabilities (Note 10)	13,603,559	23,553,267
Convertible debenture (Note 11)		30,000
Current portion of lease obligations (Note 20)	490,947	548,338
Due to related parties (Note 14)	174,837	42,141
Derivative liability (Note 11)		174,484
Total Current Liabilities	41,180,588	67,713,871
Long-term accounts payable and accrued liabilities (Note 12)	3,294,342	1,622,284
Long-term lease obligations (Note 20)	822,289	1,305,722
Total Liabilities	45,297,219	70,641,877
Stockholders’ Equity
Preferred stock, 10,000,000 shares authorized, $0.001 par value nil and nil shares issued and outstanding, respectively
Common stock, 500,000,000 shares authorized, $0.001 par value 46,990,565 and 45,659,971 shares issued and outstanding, respectively (Note 15)	46,991	45,660
Additional paid-in capital	92,327,092	90,653,018
Accumulated other comprehensive income	892,732	207,017
Deficit	(74,140,257)	(75,321,335)
Total Stockholders’ Equity	19,126,558	15,584,360
Total Liabilities and Stockholders’ Equity	$ 64,423,777	$ 86,226,237